{"title":"Dyes, stains \u0026 indicators","description":"\u003cstyle\u003e\n.lx-sub div[title]:hover img, .lx-sub img[src*=\"\/cdn\/shop\/files\/\"]:hover { filter: none !important; opacity: 1 !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"lx-sub\" style=\"text-align: left;\"\u003e\n\u003ch2 style=\"font-size: 1.5rem; font-weight: 600; letter-spacing: -0.02em; line-height: 1.25; color: #0e1a22; margin: 0 0 0.65em;\"\u003eBuy Dyes, stains \u0026amp; indicators online\u003c\/h2\u003e\n\u003cp style=\"font-size: 1.0625rem; line-height: 1.6; color: #0e1a22; margin: 0 0 1.1em;\"\u003eThe Dyes, stains \u0026amp; indicators shelf sits in Chemicals. Luminix Health supplies this range from a catalogue of 150.000 laboratory articles for hospitals, universities, pharma and industrial laboratories.\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 2.6em;\"\u003e\u003ca href=\"\/en-nl\/pages\/get-a-quote\" style=\"display: inline-block; background: linear-gradient(135deg, #0a3d7a, #0e6b8f 48%, #14a0b0); color: #ffffff; font-size: 14px; font-weight: 600; letter-spacing: 0.01em; line-height: 50px; padding: 0 26px; border-radius: 999px; text-decoration: none; box-shadow: 0 8px 20px rgba(10, 61, 122, 0.22);\"\u003eGet your quote\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2 style=\"font-size: 1.5rem; font-weight: 600; letter-spacing: -0.02em; line-height: 1.25; color: #0e1a22; margin: 0 0 0.65em;\"\u003eBrowse our Dyes, stains \u0026amp; indicators\u003c\/h2\u003e\n\u003cp style=\"margin: 0.95em 0 0.35em; font-size: 15px; font-weight: 600; color: #0e1a22;\"\u003eDyes, stains \u0026amp; indicators\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 0.2em; line-height: 1;\"\u003e\u003ca href=\"\/en-nl\/collections\/fluorescent-dyes-and-labels\" style=\"display: inline-block; margin: 0 6px 8px 0; padding: 8px 14px; border-radius: 999px; background: #e8f6f8; color: #0c5f70; font-size: 14px; font-weight: 600; line-height: 1.3; text-decoration: none;\"\u003eFluorescent dyes \u0026amp; labels\u003c\/a\u003e\u003ca href=\"\/en-nl\/collections\/microscopy-stains-and-staining-solutions\" style=\"display: inline-block; margin: 0 6px 8px 0; padding: 8px 14px; border-radius: 999px; background: #e8f6f8; color: #0c5f70; font-size: 14px; font-weight: 600; line-height: 1.3; text-decoration: none;\"\u003eMicroscopy stains \u0026amp; staining solutions\u003c\/a\u003e\u003ca href=\"\/en-nl\/collections\/dyes-and-pigments\" style=\"display: inline-block; margin: 0 6px 8px 0; padding: 8px 14px; border-radius: 999px; background: #e8f6f8; color: #0c5f70; font-size: 14px; font-weight: 600; line-height: 1.3; text-decoration: none;\"\u003eDyes \u0026amp; pigments\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0.95em 0 0.35em; font-size: 15px; font-weight: 600; color: #0e1a22;\"\u003eChemicals\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 0.2em; line-height: 1;\"\u003e\u003ca href=\"\/en-nl\/collections\/chemicals\" style=\"display: inline-block; margin: 0 6px 8px 0; padding: 8px 14px; border-radius: 999px; background: #e8f6f8; color: #0c5f70; font-size: 14px; font-weight: 600; line-height: 1.3; text-decoration: none;\"\u003eChemicals\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0.95em 0 0.35em; font-size: 15px; font-weight: 600; color: #0e1a22;\"\u003eMain catalogues\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 1.4em; line-height: 1;\"\u003e\u003ca href=\"\/en-nl\/collections\/labware\" style=\"display: inline-block; margin: 0 6px 8px 0; padding: 8px 14px; border-radius: 999px; background: #e8f6f8; color: #0c5f70; font-size: 14px; font-weight: 600; line-height: 1.3; text-decoration: none;\"\u003eLabware\u003c\/a\u003e\u003ca href=\"\/en-nl\/collections\/instruments\" style=\"display: inline-block; margin: 0 6px 8px 0; padding: 8px 14px; border-radius: 999px; background: #e8f6f8; color: #0c5f70; font-size: 14px; font-weight: 600; line-height: 1.3; text-decoration: none;\"\u003eInstruments\u003c\/a\u003e\u003ca href=\"\/en-nl\/collections\/chemicals\" style=\"display: inline-block; margin: 0 6px 8px 0; padding: 8px 14px; border-radius: 999px; background: #e8f6f8; color: #0c5f70; font-size: 14px; font-weight: 600; line-height: 1.3; text-decoration: none;\"\u003eChemicals\u003c\/a\u003e\u003ca href=\"\/en-nl\/collections\/consumables\" style=\"display: inline-block; margin: 0 6px 8px 0; padding: 8px 14px; border-radius: 999px; background: #e8f6f8; color: #0c5f70; font-size: 14px; font-weight: 600; line-height: 1.3; text-decoration: none;\"\u003eConsumables\u003c\/a\u003e\u003ca href=\"\/en-nl\/collections\/chromatography\" style=\"display: inline-block; margin: 0 6px 8px 0; padding: 8px 14px; border-radius: 999px; background: #e8f6f8; color: #0c5f70; font-size: 14px; font-weight: 600; line-height: 1.3; text-decoration: none;\"\u003eChromatography\u003c\/a\u003e\u003ca href=\"\/en-nl\/collections\/microbiological-media\" style=\"display: inline-block; margin: 0 6px 8px 0; padding: 8px 14px; border-radius: 999px; background: #e8f6f8; color: #0c5f70; font-size: 14px; font-weight: 600; line-height: 1.3; text-decoration: none;\"\u003eLife Science \u0026amp; Microbiology\u003c\/a\u003e\u003ca href=\"\/en-nl\/collections\/safety\" style=\"display: inline-block; margin: 0 6px 8px 0; padding: 8px 14px; border-radius: 999px; background: #e8f6f8; color: #0c5f70; font-size: 14px; font-weight: 600; line-height: 1.3; text-decoration: none;\"\u003eSafety\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.65; color: #3d4a4e; margin: 0 0 1.2em;\"\u003eNot sure which article fits the bench? Tell us the application and the pack size. Our specialists help you find it, including a personal quote for the order.\u003c\/p\u003e\n\u003ch2 style=\"font-size: 1.5rem; font-weight: 600; letter-spacing: -0.02em; line-height: 1.25; color: #0e1a22; margin: 0 0 0.65em;\"\u003eOur brands of Dyes, stains \u0026amp; indicators\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 10px; margin: 0 0 2.6em;\"\u003e\n\u003cdiv title=\"Carl Roth\" style=\"flex: 1 1 calc(25% - 8px); min-width: 150px; max-width: calc(50% - 5px); box-sizing: border-box; display: flex; align-items: center; justify-content: center; height: 88px; padding: 14px 20px; background: #ffffff; border: 1px solid #e2e8e6; border-radius: 12px;\"\u003e\u003ca class=\"lx-brand-tile\" href=\"\/en-nl\/collections\/vendors?q=Carl%20Roth\" aria-label=\"Carl Roth\"\u003e\u003cimg src=\"https:\/\/www.luminixhealth.com\/cdn\/shop\/files\/Carl_Roth_Logo_svg_05e522c2-17d7-41b2-8ebd-4dcb9aa179d0.png?v=1774973256\u0026amp;amp;width=400\" alt=\"Carl Roth\" loading=\"lazy\" style=\"display: block; max-width: 100%; max-height: 54px; width: auto; height: auto; margin: 0; filter: grayscale(100%); opacity: 0.7; transition: filter 0.2s ease, opacity 0.2s ease;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv title=\"Labbox\" style=\"flex: 1 1 calc(25% - 8px); min-width: 150px; max-width: calc(50% - 5px); box-sizing: border-box; display: flex; align-items: center; justify-content: center; height: 88px; padding: 14px 20px; background: #ffffff; border: 1px solid #e2e8e6; border-radius: 12px;\"\u003e\u003ca class=\"lx-brand-tile\" href=\"\/en-nl\/collections\/vendors?q=Labbox\" aria-label=\"Labbox\"\u003e\u003cimg src=\"https:\/\/www.luminixhealth.com\/cdn\/shop\/files\/brand-labbox_400x.png\" alt=\"Labbox\" loading=\"lazy\" style=\"display: block; max-width: 100%; max-height: 54px; width: auto; height: auto; margin: 0; filter: grayscale(100%); opacity: 0.7; transition: filter 0.2s ease, opacity 0.2s ease;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv title=\"IKA\" style=\"flex: 1 1 calc(25% - 8px); min-width: 150px; max-width: calc(50% - 5px); box-sizing: border-box; display: flex; align-items: center; justify-content: center; height: 88px; padding: 14px 20px; background: #ffffff; border: 1px solid #e2e8e6; border-radius: 12px;\"\u003e\u003ca class=\"lx-brand-tile\" href=\"\/en-nl\/collections\/vendors?q=IKA\" aria-label=\"IKA\"\u003e\u003cimg src=\"https:\/\/www.luminixhealth.com\/cdn\/shop\/files\/IKA_Logo_3f351242-da36-48f9-a83e-a8eef18fb773.jpg?v=1774973266\u0026amp;amp;width=400\" alt=\"IKA\" loading=\"lazy\" style=\"display: block; max-width: 100%; max-height: 54px; width: auto; height: auto; margin: 0; filter: grayscale(100%); opacity: 0.7; transition: filter 0.2s ease, opacity 0.2s ease;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv title=\"Macherey-Nagel\" style=\"flex: 1 1 calc(25% - 8px); min-width: 150px; max-width: calc(50% - 5px); box-sizing: border-box; display: flex; align-items: center; justify-content: center; height: 88px; padding: 14px 20px; background: #ffffff; border: 1px solid #e2e8e6; border-radius: 12px;\"\u003e\u003ca class=\"lx-brand-tile\" href=\"\/en-nl\/collections\/vendors?q=Macherey-Nagel\" aria-label=\"Macherey-Nagel\"\u003e\u003cimg src=\"https:\/\/www.luminixhealth.com\/cdn\/shop\/files\/macherey-nagel-small_d4cd4891-4386-48b2-8d3e-409bee797ef9.png?v=1774973327\u0026amp;amp;width=400\" alt=\"Macherey-Nagel\" loading=\"lazy\" style=\"display: block; max-width: 100%; max-height: 54px; width: auto; height: auto; margin: 0; filter: grayscale(100%); opacity: 0.7; transition: filter 0.2s ease, opacity 0.2s ease;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: linear-gradient(135deg, #0a3d7a, #0e6b8f 48%, #14a0b0); border-radius: 20px; padding: 30px 28px 32px; margin: 0; box-shadow: 0 8px 20px rgba(10, 61, 122, 0.22);\"\u003e\n\u003ch2 style=\"font-size: 1.35rem; font-weight: 600; letter-spacing: -0.02em; line-height: 1.3; color: #ffffff; margin: 0 0 0.6em;\"\u003eLuminix Health, your European distributor for Dyes, stains \u0026amp; indicators\u003c\/h2\u003e\n\u003cp style=\"margin: 0 0 0.8em; font-size: 16px; line-height: 1.6; color: #ffffff;\"\u003eOrder Dyes, stains \u0026amp; indicators from Luminix Health and count on:\u003c\/p\u003e\n\u003cul style=\"list-style: none; margin: 0 0 1.3em; padding: 0; font-size: 15px; line-height: 1.55; color: #ffffff;\"\u003e\n\u003cli style=\"display: flex; align-items: flex-start; margin: 0 0 0.45em; color: #ffffff;\"\u003e\n\u003cspan style=\"flex: 0 0 auto; display: inline-block; width: 20px; height: 20px; line-height: 20px; border-radius: 50%; background: #ffffff; color: #0e6b8f; font-size: 12px; font-weight: bold; text-align: center; margin: 2px 10px 0 0;\"\u003e✓\u003c\/span\u003e\u003cspan\u003ePersonal contact and professional advice\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"display: flex; align-items: flex-start; margin: 0 0 0.45em; color: #ffffff;\"\u003e\n\u003cspan style=\"flex: 0 0 auto; display: inline-block; width: 20px; height: 20px; line-height: 20px; border-radius: 50%; background: #ffffff; color: #0e6b8f; font-size: 12px; font-weight: bold; text-align: center; margin: 2px 10px 0 0;\"\u003e✓\u003c\/span\u003e\u003cspan\u003eFast answers and shipping from the heart of Europe, delivery within 2–5 business days if in stock\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"display: flex; align-items: flex-start; margin: 0 0 0.45em; color: #ffffff;\"\u003e\n\u003cspan style=\"flex: 0 0 auto; display: inline-block; width: 20px; height: 20px; line-height: 20px; border-radius: 50%; background: #ffffff; color: #0e6b8f; font-size: 12px; font-weight: bold; text-align: center; margin: 2px 10px 0 0;\"\u003e✓\u003c\/span\u003e\u003cspan\u003eCompetitive prices and a 24\/7 online range\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"display: flex; align-items: flex-start; margin: 0; color: #ffffff;\"\u003e\n\u003cspan style=\"flex: 0 0 auto; display: inline-block; width: 20px; height: 20px; line-height: 20px; border-radius: 50%; background: #ffffff; color: #0e6b8f; font-size: 12px; font-weight: bold; text-align: center; margin: 2px 10px 0 0;\"\u003e✓\u003c\/span\u003e\u003cspan\u003eA complete assortment of laboratory equipment and supplies\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin: 0 0 1.1em; font-size: 16px; line-height: 1.6; color: #ffffff;\"\u003e\u003cstrong\u003eGet in touch for a quote tailored to your laboratory's needs.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003e\u003ca href=\"\/en-nl\/pages\/get-a-quote\" style=\"display: inline-block; background: #ffffff; color: #0a3d7a; font-size: 14px; font-weight: 600; letter-spacing: 0.01em; line-height: 50px; padding: 0 26px; border-radius: 999px; text-decoration: none;\"\u003eRequest your quote\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","products":[{"product_id":"acridine-orange-c-i-46005-0249","title":"Acridine orange (C.I. 46005), for microscopy, 10 g, glass","description":"\u003cp\u003eAcridine orange (C.I. 46005) is a dye for microscopy It has the empirical formula C₁₇H₂₀Cl₃N₃Zn and a molar mass of 438,09 g\/mol. The substance is identified by CAS number 10127-02-3 and EG number 233-353-6 and appears in the Colour Index as C.I. 46005. With a net weight of 0,081 kg, the glass pack provides a practical laboratory portion for microscopy work. The stated application is microscopy, placing the dye among reagents used for biological applications in the laboratory. This from manufacturer Carl ROTH brings together the Colour Index designation, the empirical formula C₁₇H₂₀Cl₃N₃Zn, the molar mass of 438,09 g\/mol and the CAS and EG identifiers in one catalogue size. Laboratories that maintain a microscopy dye set can stock Acridine orange (C.I. 46005) in this compact glass presentation. Weigh the solid according to the chosen microscopy protocol and consult the safety data sheet before first use.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/fluorescent-dyes-and-labels\"\u003eFluorescent dyes \u0026amp; labels\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAppearance: orange to brown powder\u003c\/li\u003e\n\u003cli\u003eLoss on drying (105 °C, 1 h): ≤5 %\u003c\/li\u003e\n\u003cli\u003eCAS number: 10127-02-3\u003c\/li\u003e\n\u003cli\u003ePack sizes: 10 g, 25 g\u003c\/li\u003e\n\u003cli\u003eEG nr.: 233-353-6\u003c\/li\u003e\n\u003cli\u003eEmpirical formula: C₁₇H₂₀Cl₃N₃Zn\u003c\/li\u003e\n\u003cli\u003eMolar mass: 438,09 g\/mol\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-0249-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDEwMzE2OHxhcHBsaWNhdGlvbi9wZGZ8YUdJMEwyaGxOUzg1TWpVME5USXhPRGsyT1Rrd0wxTlFSVnBmTURJME9WOUZUaTV3WkdZfDllNTEwNTIzYWYyOTQyNWY3NTZiNmQzMjU2MTYyMjFlMzNlY2UyODVkZDY1ZDRkZWI1ZDcxMDE0ZmZhODZiNzQ\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-0249-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wyNjA1OTN8YXBwbGljYXRpb24vcGRmfGFEa3lMMmhsTXk4NU1qQTJNalV6T0RjNU16STJMMU5FUWw4d01qUTVYMFJGWDBWT0xuQmtaZ3wyNDA0NjI2NTdjNGI2NmM2YmU5OTc1NmM2YWM1MmFiOThmOTExZDUxNjE1MjgxZGFlZDY0MWU1YmE3NzJmY2Q0\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"10 g \/ 1 piece","offer_id":56112518889804,"sku":"0249.1","price":34.3,"currency_code":"EUR","in_stock":true},{"title":"10 g \/ 6+ pieces","offer_id":56112518922572,"sku":"0249.1","price":32.59,"currency_code":"EUR","in_stock":true},{"title":"10 g \/ 24+ pieces","offer_id":56112518955340,"sku":"0249.1","price":30.87,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 1 piece","offer_id":56112518988108,"sku":"0249.2","price":64.4,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 6+ pieces","offer_id":56112519020876,"sku":"0249.2","price":61.18,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 24+ pieces","offer_id":56112519053644,"sku":"0249.2","price":57.96,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/0249-SF-1000Wx1000H.jpg?v=1766398851"},{"product_id":"sudan-black-b-c-i-26150-0292","title":"Sudan black B (C.I. 26150), for microscopy, 10 g, glass","description":"\u003cp\u003eSudan black B (C.I. 26150) is a dye for microscopy with CAS number 4197-25-5, empirical formula C₂₉H₂₄N₆ and molar mass 456,55 g\/mol. Colour Index number C.I. 26150 and EG number 224-087-1 complete the identity of this microscopy stain. The product is Microscopy laboratories use Sudan black B (C.I. 26150) as a biological dye according to the stated application. This Sudan black B from manufacturer Carl ROTH is The empirical formula C₂₉H₂₄N₆ and the molar mass of 456,55 g\/mol match the CAS registry entry 4197-25-5. supports preparation of staining solutions for microscopic work. As a dye for biological applications, Sudan black B (C.I. 26150) is selected where a microscopy colourant with this Colour Index and molecular formula is required.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/microscopy-stains-and-staining-solutions\"\u003eMicroscopy stains \u0026amp; staining solutions\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAbsorption max. (C2H5OH): 590-610 nm\u003c\/li\u003e\n\u003cli\u003eLoss on drying (110 °C): ≤5 %\u003c\/li\u003e\n\u003cli\u003eCAS number: 4197-25-5\u003c\/li\u003e\n\u003cli\u003ePack sizes: 10 g, 25 g, 50 g\u003c\/li\u003e\n\u003cli\u003eEG nr.: 224-087-1\u003c\/li\u003e\n\u003cli\u003eEmpirical formula: C₂₉H₂₄N₆\u003c\/li\u003e\n\u003cli\u003eMolar mass: 456,55 g\/mol\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-0292-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDEwNDI0M3xhcHBsaWNhdGlvbi9wZGZ8YUdKakwyaGhPQzg1TWpnek1USTVOek0zTWpRMkwxTlFSVnBmTURJNU1sOUZUaTV3WkdZfDQwZTNmZDFmMGNhMzMyNzQ0NTVkMDI5NWEyNTk3OTIzM2QxYTEzMzc5ZmMyZGNlMjZhZmRmMTkzMDYyNmZkZDM\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-0292-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wyNjQxOTV8YXBwbGljYXRpb24vcGRmfGFETXlMMmd4TXk4NU1qQTJNalUyTkRZM09UazRMMU5FUWw4d01qa3lYMFJGWDBWT0xuQmtaZ3w4OWM2MjA4N2FkNjA0ZGUxNGE1YzAxZDJiNWUyYjNjMjkxNWY5NjczNmZkNDVhZjUxOWUzNjFjYTdhMTAxMTE1\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"10 g \/ 1 piece","offer_id":56112532128076,"sku":"0292.1","price":32.8,"currency_code":"EUR","in_stock":true},{"title":"10 g \/ 6+ pieces","offer_id":56112532160844,"sku":"0292.1","price":31.16,"currency_code":"EUR","in_stock":true},{"title":"10 g \/ 24+ pieces","offer_id":56112532193612,"sku":"0292.1","price":29.52,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 1 piece","offer_id":56112532226380,"sku":"0292.2","price":52.15,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 6+ pieces","offer_id":56112532259148,"sku":"0292.2","price":49.54,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 24+ pieces","offer_id":56112532291916,"sku":"0292.2","price":46.94,"currency_code":"EUR","in_stock":true},{"title":"50 g \/ 1 piece","offer_id":56112532324684,"sku":"0292.3","price":80.1,"currency_code":"EUR","in_stock":true},{"title":"50 g \/ 6+ pieces","offer_id":56112532357452,"sku":"0292.3","price":76.1,"currency_code":"EUR","in_stock":true},{"title":"50 g \/ 24+ pieces","offer_id":56112532390220,"sku":"0292.3","price":72.09,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/0292-SF-1000Wx1000H.jpg?v=1766398880"},{"product_id":"toluidine-blue-o-c-i-52040-0300","title":"Toluidine blue O (C.I. 52040), for microscopy, 5 g, glass","description":"\u003cp\u003eToluidine blue O (C.I. 52040) is a cationic thiazine dye supplied for microscopy, with CAS number 92-31-9, empirical formula C₁₅H₁₆ClN₃S and molar mass 305,83 g\/mol. This well-established biological stain is used in histological and cytological workflows where metachromatic colouration of tissue components, mucopolysaccharides and nucleic acids supports clear morphological assessment under the light microscope. The dye is With EG number 202-146-2, the material is clearly identified for laboratory documentation and inventory control. Prepared for microscopy applications, Toluidine blue O from manufacturer Carl ROTH fits routine biological staining benches in pathology, cell biology and educational laboratories. Its defined chemical identity and convenient pack size support reproducible preparation of working stains for sectioned specimens and smear preparations.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/microscopy-stains-and-staining-solutions\"\u003eMicroscopy stains \u0026amp; staining solutions\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAppearance: dark green to black powder\u003c\/li\u003e\n\u003cli\u003eDye content: ≥65 %\u003c\/li\u003e\n\u003cli\u003eAbsorption max. (in H2O): 615-635 nm\u003c\/li\u003e\n\u003cli\u003eCAS number: 92-31-9\u003c\/li\u003e\n\u003cli\u003ePack sizes: 5 g, 10 g, 25 g, 100 g\u003c\/li\u003e\n\u003cli\u003eEG nr.: 202-146-2\u003c\/li\u003e\n\u003cli\u003eEmpirical formula: C₁₅H₁₆ClN₃S\u003c\/li\u003e\n\u003cli\u003eMolar mass: 305,83 g\/mol\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-0300-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDEwMzI3M3xhcHBsaWNhdGlvbi9wZGZ8YURGbUwyaGxNeTg1TWpjNE56ZzROak15TmpBMkwxTlFSVnBmTURNd01GOUZUaTV3WkdZfGJlMDExYmEyMjg2ZjMxMTAzYzdkOWM4OTJhMzgzYzdiMzY0MjEyOWQ2NDMzYWE2ZTI1NzFlOGRlZDY2MWJmMzA\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-0300-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wyMzc4ODJ8YXBwbGljYXRpb24vcGRmfGFHSXlMMmcyTkM4NU1qQTJNalUxTURJMk1qQTJMMU5FUWw4d016QXdYMFJGWDBWT0xuQmtaZ3xhY2NkYmQwNWUzMWNkYTNjZGFmNjFlZmRlYzE1Y2E4MzVjZmU4ZjJiYzAyMGY5NWI2ZDhkNzdjMzFjMzI5ZTFk\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"5 g \/ 1 piece","offer_id":56112533340492,"sku":"0300.1","price":27.45,"currency_code":"EUR","in_stock":true},{"title":"5 g \/ 6+ pieces","offer_id":56112533373260,"sku":"0300.1","price":26.08,"currency_code":"EUR","in_stock":true},{"title":"5 g \/ 24+ pieces","offer_id":56112533406028,"sku":"0300.1","price":24.71,"currency_code":"EUR","in_stock":true},{"title":"10 g \/ 1 piece","offer_id":56112533438796,"sku":"0300.2","price":41.4,"currency_code":"EUR","in_stock":true},{"title":"10 g \/ 6+ pieces","offer_id":56112533471564,"sku":"0300.2","price":39.33,"currency_code":"EUR","in_stock":true},{"title":"10 g \/ 24+ pieces","offer_id":56112533504332,"sku":"0300.2","price":37.26,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 1 piece","offer_id":56112533537100,"sku":"0300.3","price":79.45,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 6+ pieces","offer_id":56112533569868,"sku":"0300.3","price":75.48,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 24+ pieces","offer_id":56112533602636,"sku":"0300.3","price":71.51,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 1 piece","offer_id":56112533635404,"sku":"0300.4","price":220.4,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 6+ pieces","offer_id":56112533668172,"sku":"0300.4","price":209.38,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 24+ pieces","offer_id":56112533700940,"sku":"0300.4","price":198.36,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/0300-SF-1000Wx1000H.jpg?v=1766398883"},{"product_id":"fast-green-fcf-0301","title":"Fast Green FCF, for microscopy, 5 g, glass","description":"\u003cp\u003eFast Green FCF is a synthetic triarylmethane dye intended for microscopy, characterised by CAS number 2353-45-9, empirical formula C₃₇H₃₄N₂Na₂O₁₀S₃ and molar mass 808,84 g\/mol. It is widely applied as a counterstain and protein stain in histological and botanical preparations, where intense green colouration helps delineate cytoplasmic and connective-tissue structures alongside nuclear dyes. Physical data include a flash point of 178 °C and a boiling point above 260 °C. The product is Registered under EG number 219-091-5, Fast Green FCF from manufacturer Carl ROTH supports standardised microscopy workflows that require a reliable green acid dye. The defined composition and laboratory pack size facilitate consistent staining performance across serial sections and comparative studies.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/microscopy-stains-and-staining-solutions\"\u003eMicroscopy stains \u0026amp; staining solutions\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDye content: ≥85 %\u003c\/li\u003e\n\u003cli\u003eIn H2O insoluble matter: ≤0,2 %\u003c\/li\u003e\n\u003cli\u003eSolubility (0,1 % in H2O): dark blue to dark green solution\u003c\/li\u003e\n\u003cli\u003eCAS number: 2353-45-9\u003c\/li\u003e\n\u003cli\u003ePack sizes: 25 g, 5 g\u003c\/li\u003e\n\u003cli\u003eEG nr.: 219-091-5\u003c\/li\u003e\n\u003cli\u003eEmpirical formula: C₃₇H₃₄N₂Na₂O₁₀S₃\u003c\/li\u003e\n\u003cli\u003eMolar mass: 808,84 g\/mol\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-0301-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDEwMzI0MHxhcHBsaWNhdGlvbi9wZGZ8YURjeUwyZzNaaTg1TWpVME5USXlOemd4TnpJMkwxTlFSVnBmTURNd01WOUZUaTV3WkdZfDdiNWJiYWVlNzA2N2Q0NTllNmFiMWMyZTdkODNlNDE1NDM3ZDJjOWQ1ZDVlYjljMGFmYTRlYzk5M2MxOGY1ZjA\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-0301-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wyNzEyODN8YXBwbGljYXRpb24vcGRmfGFHVmpMMmcwWXk4NU1qQTJNalUxTnpFME16TTBMMU5FUWw4d016QXhYMFJGWDBWT0xuQmtaZ3w2Y2M5MTkyZGZkOTY4YjZlNDE0ZWMzZTViNmVmNWFiOTk4MGFhZjVlYTMyZDI4OTAyYjc5NTVmNzhjZGJlYzMz\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"5 g \/ 1 piece","offer_id":56112533733708,"sku":"0301.2","price":31.1,"currency_code":"EUR","in_stock":true},{"title":"5 g \/ 6+ pieces","offer_id":56112533766476,"sku":"0301.2","price":29.55,"currency_code":"EUR","in_stock":true},{"title":"5 g \/ 24+ pieces","offer_id":56112533799244,"sku":"0301.2","price":27.99,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 1 piece","offer_id":56112533832012,"sku":"0301.1","price":120.95,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 6+ pieces","offer_id":56112533864780,"sku":"0301.1","price":114.9,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 24+ pieces","offer_id":56112533897548,"sku":"0301.1","price":108.86,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/0301-SF-1000Wx1000H.jpg?v=1766398884"},{"product_id":"eosin-b-c-i-45400-0306","title":"Eosin B (C.I. 45400), for microscopy, 10 g, glass","description":"\u003cp\u003eEosin B (C.I. 45400) is a dye specified for microscopy, with CAS number 548-24-3, EG number 208-943-1 and the empirical formula C₂₀H₆Br₂N₂Na₂O₉. The molar mass is 624,09 g\/mol. Colour index C.I. 45400 stands with the Eosin B name so that stain recipes and reagent inventories can be matched without ambiguity. The empirical formula and molar mass support accurate weighing when microscopy solutions are prepared from the solid. Eosin B (C.I. 45400) from manufacturer Carl ROTH is supplied in the for-microscopy grade given by the producer. Packed in glass, is intended for laboratory microscopy work that requires this colour-index material. CAS number 548-24-3 and EG number 208-943-1 provide the regulatory identity for orders and safety documentation. It sits among analytical chemicals and indicators used for microscopy staining. The combination of C.I. 45400, formula C₂₀H₆Br₂N₂Na₂O₉ and molar mass 624,09 g\/mol gives a complete identity for this.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/microscopy-stains-and-staining-solutions\"\u003eMicroscopy stains \u0026amp; staining solutions\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAppearance: dark red powder\u003c\/li\u003e\n\u003cli\u003eMaximum absorption: 510-530 nm\u003c\/li\u003e\n\u003cli\u003eCAS number: 548-24-3\u003c\/li\u003e\n\u003cli\u003ePack sizes: 10 g, 25 g, 50 g\u003c\/li\u003e\n\u003cli\u003eEG nr.: 208-943-1\u003c\/li\u003e\n\u003cli\u003eEmpirical formula: C₂₀H₆Br₂N₂Na₂O₉\u003c\/li\u003e\n\u003cli\u003eMolar mass: 624,09 g\/mol\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-0306-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDEwMjI5OXxhcHBsaWNhdGlvbi9wZGZ8YURsaUwyZzRNeTg1TWpVME5USXlOakUzT0RnMkwxTlFSVnBmTURNd05sOUZUaTV3WkdZfDYwMjZmMDc4YmU4NWE5NDJjYzZlYWMzN2I3MDhhM2I0ODc3Nzc5ZmVhZDY4MzgxNzYyYjdiMWUyODBhMDkxNTE\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-0306-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wyNDA5MzV8YXBwbGljYXRpb24vcGRmfGFHVTJMMmhrT0M4NU1qQTJNalU0TURRd09EWXlMMU5FUWw4d016QTJYMFJGWDBWT0xuQmtaZ3wyNjEzMDdlYWQwNmIxZDQyNGQ4NWZlNzk0Y2NhOGZhZjIwZTZmMGQyNjc4MzY3MjE4YjJjM2ZhMDA1ZjFkZDk3\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"10 g \/ 1 piece","offer_id":56112535503180,"sku":"0306.1","price":25.7,"currency_code":"EUR","in_stock":true},{"title":"10 g \/ 6+ pieces","offer_id":56112535535948,"sku":"0306.1","price":24.42,"currency_code":"EUR","in_stock":true},{"title":"10 g \/ 24+ pieces","offer_id":56112535568716,"sku":"0306.1","price":23.13,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 1 piece","offer_id":56112535601484,"sku":"0306.2","price":42.9,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 6+ pieces","offer_id":56112535634252,"sku":"0306.2","price":40.76,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 24+ pieces","offer_id":56112535667020,"sku":"0306.2","price":38.61,"currency_code":"EUR","in_stock":true},{"title":"50 g \/ 1 piece","offer_id":56112535699788,"sku":"0306.3","price":69.8,"currency_code":"EUR","in_stock":true},{"title":"50 g \/ 6+ pieces","offer_id":56112535732556,"sku":"0306.3","price":66.31,"currency_code":"EUR","in_stock":true},{"title":"50 g \/ 24+ pieces","offer_id":56112535765324,"sku":"0306.3","price":62.82,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/0306-SF-1000Wx1000H.jpg?v=1766398886"},{"product_id":"bismarck-brown-y-c-i-21000-0313","title":"Bismarck brown Y (C.I. 21000), for microscopy, 10 g, glass","description":"\u003cp\u003eBismarck brown Y (C.I. 21000) is a biological staining dye for microscopy, with CAS number 10114-58-6, EG number 233-314-3, and empirical formula C₁₈H₁₈N₈·2 HCl. Its molar mass is 418,33 g\/mol. This dye is used in histological and cytological staining workflows where a defined colour index dye supports contrast and visualisation of cellular structures under the microscope. The product is From manufacturer Carl ROTH, Bismarck brown Y belongs to the dyes and pigments range for biological applications and is positioned for routine microscopy in research, teaching, and diagnostic support laboratories. The combination of stated molecular data and microscopy-grade designation helps laboratories document reagents used in staining procedures. Handle and dissolve according to standard good laboratory practice for dyes used in biological staining.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/microscopy-stains-and-staining-solutions\"\u003eMicroscopy stains \u0026amp; staining solutions\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAppearance: redbrownish to dark brown powder\u003c\/li\u003e\n\u003cli\u003eLoss on drying (110 °C): ≤10,0 %\u003c\/li\u003e\n\u003cli\u003eAbsorption max. (ethanol 50 %): 450-460 nm\u003c\/li\u003e\n\u003cli\u003eCAS number: 10114-58-6\u003c\/li\u003e\n\u003cli\u003ePack sizes: 10 g, 25 g\u003c\/li\u003e\n\u003cli\u003eEG nr.: 233-314-3\u003c\/li\u003e\n\u003cli\u003eEmpirical formula: C₁₈H₁₈N₈·2 HCl\u003c\/li\u003e\n\u003cli\u003eMolar mass: 418,33 g\/mol\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-0313-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDEwNDM3NnxhcHBsaWNhdGlvbi9wZGZ8YURreUwyZ3lOeTg1TWpVME5USXpNakEzTnpFd0wxTlFSVnBmTURNeE0xOUZUaTV3WkdZfDVmNjA3MjljODJhNDM5Mjk3MTNmOWJhYzhhYjRiOThkMmMwNWQ0ZDBiYzVlNzM1ZTUyYjA5OGE2N2FhYWFhNTU\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-0313-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wyMzc0NTR8YXBwbGljYXRpb24vcGRmfGFETmxMMmcwWXk4NU1qQTJNalUxTnpjNU9EY3dMMU5FUWw4d016RXpYMFJGWDBWT0xuQmtaZ3w5MDQwNzc1YmU0YmY2YTk5YTM5Yjk1ZGRkYjZjNWY2OTJlMjcyZDU3MjM0YzU0NmJkMjkzODAyMDg3MGU2Yzdk\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"10 g \/ 1 piece","offer_id":56112537305420,"sku":"0313.1","price":27.45,"currency_code":"EUR","in_stock":true},{"title":"10 g \/ 6+ pieces","offer_id":56112537338188,"sku":"0313.1","price":26.08,"currency_code":"EUR","in_stock":true},{"title":"10 g \/ 24+ pieces","offer_id":56112537370956,"sku":"0313.1","price":24.71,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 1 piece","offer_id":56112537403724,"sku":"0313.2","price":47.2,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 6+ pieces","offer_id":56112537436492,"sku":"0313.2","price":44.84,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 24+ pieces","offer_id":56112537469260,"sku":"0313.2","price":42.48,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/0313-SF-1000Wx1000H_b849f674-247f-4f8f-a35c-f1da3f6fe223.jpg?v=1766398889"},{"product_id":"bismarck-brown-r-c-i-21010-0316","title":"Bismarck brown R (C.I. 21010), for microscopy, 25 g, plastic","description":"\u003cp\u003eBismarck brown R (C.I. 21010) is a microscopy dye supplied for biological staining applications, with CAS number 5421-66-9, EG number 226-541-4, and empirical formula C₂₁H₂₄N₈·2 HCl. The molar mass is 461,40 g\/mol. Intended for microscopy, this colour-index dye is used to generate contrast in histological and related staining procedures where Bismarck brown R is specified. The product is From manufacturer Carl ROTH, it sits within the dyes for biological applications range and supports routine staining work in research, education, and laboratory service environments. Clear molecular identity data aid reagent traceability in standard operating procedures and batch records. Prepare and apply the dye according to validated microscopy staining protocols, observing usual precautions for handling biological dyes and hydrochloride salts on the open bench or in a fume hood as required.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/microscopy-stains-and-staining-solutions\"\u003eMicroscopy stains \u0026amp; staining solutions\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAppearance: brownish-black powder\u003c\/li\u003e\n\u003cli\u003eLoss on drying (60 °C): ≤1,0 %\u003c\/li\u003e\n\u003cli\u003eAbsorption max. (ethanol 50 %): 468 nm\u003c\/li\u003e\n\u003cli\u003eCAS number: 5421-66-9\u003c\/li\u003e\n\u003cli\u003ePack sizes: 25 g, 100 g\u003c\/li\u003e\n\u003cli\u003eEG nr.: 226-541-4\u003c\/li\u003e\n\u003cli\u003eEmpirical formula: C₂₁H₂₄N₈·2 HCl\u003c\/li\u003e\n\u003cli\u003eMolar mass: 461,40 g\/mol\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-0316-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDEwNDIwN3xhcHBsaWNhdGlvbi9wZGZ8YURrd0wyZ3lZUzg1TWpVME5USXpNVFF5TVRjMEwxTlFSVnBmTURNeE5sOUZUaTV3WkdZfDBmYzc2ZDQ5OGQxNGIwNjU1NTIyM2Q3ODQwMmU5YmUxMzUyNWIzYzYyNWIzMGU0MjZmNzUwYWJhYmUzYWVhMDE\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-0316-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wyNDA2NTh8YXBwbGljYXRpb24vcGRmfGFEa3pMMmcwWmk4NU1qQTJNalUxTmpneE5UWTJMMU5FUWw4d016RTJYMFJGWDBWT0xuQmtaZ3xkYjM1NTBmZGE1ZTU5YjMyZjFiYmZkNGM2OTczNzVmYjFmY2RlNzg3MjAzNzYzOGNjOGRiYjQzYjJlNmI0ZjNk\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"25 g \/ 1 piece","offer_id":56112538157388,"sku":"0316.1","price":27.85,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 6+ pieces","offer_id":56112538190156,"sku":"0316.1","price":26.46,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 24+ pieces","offer_id":56112538222924,"sku":"0316.1","price":25.07,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 1 piece","offer_id":56112538255692,"sku":"0316.2","price":83.35,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 6+ pieces","offer_id":56112538288460,"sku":"0316.2","price":79.18,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 24+ pieces","offer_id":56112538321228,"sku":"0316.2","price":75.02,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/0316-SF-1000Wx1000H.jpg?v=1766398890"},{"product_id":"orange-g-c-i-16230-0318","title":"Orange G (C.I.16230), for microscopy and electrophoresis, 10 g, glass","description":"\u003cp\u003eOrange G (C.I. 16230) is an azo dye intended for microscopy and electrophoresis applications. It is identified by CAS number 1936-15-8, EG number 217-705-6, empirical formula C₁₆H₁₀N₂Na₂O₇S₂ and a molar mass of 452,37 g\/mol. Laboratories use this water-soluble dye for staining protocols in biological microscopy and as a tracking or contrast dye in electrophoretic separations. The preparation is Available from manufacturer Carl ROTH, Orange G supports histology, cytology and molecular-biology workflows that require a defined Colour Index dye with documented composition. Its dual suitability for microscopy and electrophoresis makes it a practical choice for multi-technique laboratories. Consistent batch identity and the stated molecular parameters help maintain reproducible staining intensity and migration behaviour across routine and research methods.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/microscopy-stains-and-staining-solutions\"\u003eMicroscopy stains \u0026amp; staining solutions\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAppearance: orange powder\u003c\/li\u003e\n\u003cli\u003eMaximum absorption: ≥440 nm\u003c\/li\u003e\n\u003cli\u003eLoss on drying: ≤10 %\u003c\/li\u003e\n\u003cli\u003eCAS number: 1936-15-8\u003c\/li\u003e\n\u003cli\u003ePack sizes: 10 g, 25 g, 100 g\u003c\/li\u003e\n\u003cli\u003eEG nr.: 217-705-6\u003c\/li\u003e\n\u003cli\u003eEmpirical formula: C₁₆H₁₀N₂Na₂O₇S₂\u003c\/li\u003e\n\u003cli\u003eMolar mass: 452,37 g\/mol\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-0318-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDEwMzEzM3xhcHBsaWNhdGlvbi9wZGZ8YUdVMEwyZzFOeTg1TWpjMk5ETXpNek0wTXpBeUwxTlFSVnBmTURNeE9GOUZUaTV3WkdZfDliYWFkYjQ3ODIyNDA5MDRkYzA4Nzg4ODhkY2I1YjgxMDYxY2QzZjE5MGNiMGI3YjFmN2EyNzFlMGVlNGU4OTg\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-0318-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wyNDMxMTJ8YXBwbGljYXRpb24vcGRmfGFEUmpMMmd3T0M4NU1qQTJNalUyTVRBM05UVXdMMU5FUWw4d016RTRYMFJGWDBWT0xuQmtaZ3w4ZDBmNjFmNWUzZWNkY2U2MGRhZGEyNjgyMDhmNjJmOGQzY2RjNTVmOTgzNWJlOTAzZTllNGRiMmIzMzA4MDcw\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"10 g \/ 1 piece","offer_id":56112538779980,"sku":"0318.1","price":19.25,"currency_code":"EUR","in_stock":true},{"title":"10 g \/ 6+ pieces","offer_id":56112538812748,"sku":"0318.1","price":18.29,"currency_code":"EUR","in_stock":true},{"title":"10 g \/ 24+ pieces","offer_id":56112538845516,"sku":"0318.1","price":17.33,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 1 piece","offer_id":56112538878284,"sku":"0318.2","price":29.6,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 6+ pieces","offer_id":56112538911052,"sku":"0318.2","price":28.12,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 24+ pieces","offer_id":56112538943820,"sku":"0318.2","price":26.64,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 1 piece","offer_id":56112538976588,"sku":"0318.3","price":67.65,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 6+ pieces","offer_id":56112539009356,"sku":"0318.3","price":64.27,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 24+ pieces","offer_id":56112539042124,"sku":"0318.3","price":60.89,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/0318-1000Wx1000H.jpg?v=1766398892"},{"product_id":"auramine-o-c-i-41000-0319","title":"Auramine O (C.I. 41000), for microscopy, 25 g, glass","description":"\u003cp\u003eAuramine O (C.I. 41000) is a fluorescent diarylmethane dye for microscopy, supplied with CAS number 2465-27-2, EG number 219-567-2, empirical formula C₁₇H₂₂ClN₃ and a molar mass of 303,84 g\/mol. It is employed in fluorescence microscopy staining procedures, including acid-fast and related diagnostic staining schemes where bright yellow-green fluorescence under appropriate excitation is required. The product is This dye from manufacturer Carl ROTH is classified under UN number 3077 and belongs to dyes for biological applications. Documented molecular data support method standardisation and solution preparation. Auramine O remains a standard choice when fluorescence contrast and reliable dye identity are needed for microscopic examination of biological specimens.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/microscopy-stains-and-staining-solutions\"\u003eMicroscopy stains \u0026amp; staining solutions\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMaximum absorption: 430-440 nm\u003c\/li\u003e\n\u003cli\u003eCAS number: 2465-27-2\u003c\/li\u003e\n\u003cli\u003ePack sizes: 25 g, 50 g\u003c\/li\u003e\n\u003cli\u003eEG nr.: 219-567-2\u003c\/li\u003e\n\u003cli\u003eEmpirical formula: C₁₇H₂₂ClN₃\u003c\/li\u003e\n\u003cli\u003eMolar mass: 303,84 g\/mol\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-0319-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDEwMTQyN3xhcHBsaWNhdGlvbi9wZGZ8YURJNUwyZ3lOQzg1TWpVME5USXpNekEyTURFMEwxTlFSVnBmTURNeE9WOUZUaTV3WkdZfDVjMTE5OWY2NzE5MGZlNGRjMjdmOTQ2ZWJjZTE1NmIyMWZmMjA4ODk0NmQxMzFiYTM2YmFhYzBhMGY5MDQ3NzU\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-0319-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wzMDc2OTh8YXBwbGljYXRpb24vcGRmfGFHSTNMMmhrT0M4NU1qSTBOalEzTmpjeE9ETTRMMU5FUWw4d016RTVYMFJGWDBWT0xuQmtaZ3wyMThhN2NiM2E0N2JjZGM2MzM1OTUyYjBkMTI0ZTRjNTgzOTI0MDM5ZmQ3OTg5ODc4Yzk0NDM0YWQ4MGUyNWNh\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"25 g \/ 1 piece","offer_id":56112539074892,"sku":"0319.1","price":23.15,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 6+ pieces","offer_id":56112539107660,"sku":"0319.1","price":21.99,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 24+ pieces","offer_id":56112539140428,"sku":"0319.1","price":20.84,"currency_code":"EUR","in_stock":true},{"title":"50 g \/ 1 piece","offer_id":56112539173196,"sku":"0319.2","price":40.35,"currency_code":"EUR","in_stock":true},{"title":"50 g \/ 6+ pieces","offer_id":56112539205964,"sku":"0319.2","price":38.33,"currency_code":"EUR","in_stock":true},{"title":"50 g \/ 24+ pieces","offer_id":56112539238732,"sku":"0319.2","price":36.32,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/0319-SF-1000Wx1000H.jpg?v=1766398892"},{"product_id":"brilliant-green-c-i-42040-0324","title":"Brilliant Green (C.I. 42040), for microscopy, 25 g, glass","description":"\u003cp\u003eBrilliant Green (C.I. 42040) is a triarylmethane dye supplied for microscopy and related laboratory staining work. It is identified by CAS number 633-03-4 and empirical formula C₂₇H₃₄N₂O₄S, with a molar mass of 482,64 g\/mol. This grade is The EG number is 211-190-1. Intended for microscopy use, the dye supports histological and microbiological staining protocols where Brilliant Green or C.I. 42040 is required. Offered by manufacturer Carl ROTH, it integrates readily into analytical-chemical and indicator reagent ranges in research, teaching, and quality laboratories. Defined molar mass supports reproducible concentration control when formulating working solutions. Suitable for bright-field microscopy, differential staining schemes, and general dye chemistry applications that specify Brilliant Green in a convenient laboratory pack size.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/microscopy-stains-and-staining-solutions\"\u003eMicroscopy stains \u0026amp; staining solutions\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMaximum absorption: 620-630 nm\u003c\/li\u003e\n\u003cli\u003eDye content: ≥95 %\u003c\/li\u003e\n\u003cli\u003eLoss on drying: ≤5 %\u003c\/li\u003e\n\u003cli\u003eCAS number: 633-03-4\u003c\/li\u003e\n\u003cli\u003ePack sizes: 25 g, 100 g, 50 g, 250 g, 500 g, 1 kg\u003c\/li\u003e\n\u003cli\u003eEG nr.: 211-190-1\u003c\/li\u003e\n\u003cli\u003eEmpirical formula: C₂₇H₃₄N₂O₄S\u003c\/li\u003e\n\u003cli\u003eMolar mass: 482,64 g\/mol\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-0324-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDEwMjY1NnxhcHBsaWNhdGlvbi9wZGZ8YUdVekwyZ3dOeTg1TWpjMk5ETTBNRFUxTVRrNEwxTlFSVnBmTURNeU5GOUZUaTV3WkdZfDEzNzc1MjAwNjEyYWZhYjBhOTI4YjA5NWU2MmQ5M2JjOWUzNmMyZmY2MzYxY2Q5MzQ2NzY1MTIwY2QxMzI0ODg\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-0324-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wyNDk4NTJ8YXBwbGljYXRpb24vcGRmfGFHUmpMMmd4TWk4NU1qQTJNalUyTkRNMU1qTXdMMU5FUWw4d016STBYMFJGWDBWT0xuQmtaZ3w0NTczNmQwODBmOGI0YTYzODMyNmYzZWUyNGFiODJjYTlkODFhOGQ5NjNmNWI1MjFiZGEzMDZhNTgwN2JhNjgx\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"25 g \/ 1 piece","offer_id":56112540942668,"sku":"0324.1","price":30.0,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 6+ pieces","offer_id":56112540975436,"sku":"0324.1","price":28.5,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 24+ pieces","offer_id":56112541008204,"sku":"0324.1","price":27.0,"currency_code":"EUR","in_stock":true},{"title":"50 g \/ 1 piece","offer_id":56112541040972,"sku":"0324.3","price":55.8,"currency_code":"EUR","in_stock":true},{"title":"50 g \/ 6+ pieces","offer_id":56112541073740,"sku":"0324.3","price":53.01,"currency_code":"EUR","in_stock":true},{"title":"50 g \/ 24+ pieces","offer_id":56112541106508,"sku":"0324.3","price":50.22,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 1 piece","offer_id":56112541139276,"sku":"0324.2","price":92.35,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 6+ pieces","offer_id":56112541172044,"sku":"0324.2","price":87.73,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 24+ pieces","offer_id":56112541204812,"sku":"0324.2","price":83.12,"currency_code":"EUR","in_stock":true},{"title":"250 g \/ 1 piece","offer_id":56112541237580,"sku":"0324.4","price":155.9,"currency_code":"EUR","in_stock":true},{"title":"250 g \/ 6+ pieces","offer_id":56112541270348,"sku":"0324.4","price":148.11,"currency_code":"EUR","in_stock":true},{"title":"250 g \/ 24+ pieces","offer_id":56112541303116,"sku":"0324.4","price":140.31,"currency_code":"EUR","in_stock":true},{"title":"500 g \/ 1 piece","offer_id":56112541335884,"sku":"0324.5","price":278.45,"currency_code":"EUR","in_stock":true},{"title":"500 g \/ 6+ pieces","offer_id":56112541368652,"sku":"0324.5","price":264.53,"currency_code":"EUR","in_stock":true},{"title":"500 g \/ 24+ pieces","offer_id":56112541401420,"sku":"0324.5","price":250.61,"currency_code":"EUR","in_stock":true},{"title":"1 kg \/ 1 piece","offer_id":56112541434188,"sku":"0324.6","price":499.9,"currency_code":"EUR","in_stock":true},{"title":"1 kg \/ 6+ pieces","offer_id":56112541466956,"sku":"0324.6","price":499.9,"currency_code":"EUR","in_stock":true},{"title":"1 kg \/ 24+ pieces","offer_id":56112541499724,"sku":"0324.6","price":499.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/0324-SF-1000Wx1000H.jpg?v=1766398895"},{"product_id":"sudan-iv-c-i-26105-0327","title":"Sudan IV (C.I. 26105), for microscopy, 25 g, glass","description":"\u003cp\u003eSudan IV (C.I. 26105) is a lipophilic azo dye intended for microscopy, with CAS number 85-83-6 and empirical formula C₂₄H₂₀N₄O. It has a molar mass of 380,45 g\/mol and a density of 1,331 g\/cm³, together with a flash point above 289 °C and a boiling point above 238 °C, supporting controlled use in staining workflows. This grade is Available from manufacturer Carl ROTH, the dye is further identified by EG number 201-635-8, aiding catalogue matching and inventory control. Sudan IV is commonly applied to visualise lipids and hydrophobic structures in biological specimens and for microscopy-oriented staining protocols where a defined Colour Index dye is specified. Clear physical and identity data help laboratories integrate the reagent into established staining schemes and maintain reproducible contrast. The microscopy-focused presentation suits routine and specialised biological dye applications without unrelated performance claims.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/microscopy-stains-and-staining-solutions\"\u003eMicroscopy stains \u0026amp; staining solutions\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAppearance: dark-red powder\u003c\/li\u003e\n\u003cli\u003eMaximum absorption: 519-523 nm\u003c\/li\u003e\n\u003cli\u003eCAS number: 85-83-6\u003c\/li\u003e\n\u003cli\u003ePack sizes: 25 g, 50 g\u003c\/li\u003e\n\u003cli\u003eEG nr.: 201-635-8\u003c\/li\u003e\n\u003cli\u003eMolar mass: 380,45 g\/mol\u003c\/li\u003e\n\u003cli\u003eDensity: 1,331 g\/cm³\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-0327-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDEwMjU4NnxhcHBsaWNhdGlvbi9wZGZ8YURBeUwyZ3haQzg1TWpVME5USXpOVE0xTXprd0wxTlFSVnBmTURNeU4xOUZUaTV3WkdZfDNkOWZkMzg3YWM5NWY2YTM5YWEzMzEyZTE3OTg4ZTVhZTM0NGE4OTMxMDM4NzZlZmMwMTg1NWQ5M2U2ODBmZGQ\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-0327-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wyNTU1MDR8YXBwbGljYXRpb24vcGRmfGFEa3pMMmd5TkM4NU1qQTJNalUyT1RreU1qZzJMMU5FUWw4d016STNYMFJGWDBWT0xuQmtaZ3xhNzI4NTZiOThmZjg1OTczM2IwOGM2YmU3MmEyZGVlNTE2YjZmNjcyZTQ0NTdiNzBjMDE5NmRkYmYyYWMzZDdh\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"25 g \/ 1 piece","offer_id":56112542548300,"sku":"0327.1","price":32.15,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 6+ pieces","offer_id":56112542581068,"sku":"0327.1","price":30.54,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 24+ pieces","offer_id":56112542613836,"sku":"0327.1","price":28.94,"currency_code":"EUR","in_stock":true},{"title":"50 g \/ 1 piece","offer_id":56112542646604,"sku":"0327.2","price":48.3,"currency_code":"EUR","in_stock":true},{"title":"50 g \/ 6+ pieces","offer_id":56112542679372,"sku":"0327.2","price":45.89,"currency_code":"EUR","in_stock":true},{"title":"50 g \/ 24+ pieces","offer_id":56112542712140,"sku":"0327.2","price":43.47,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/0327-SF-1000Wx1000H.jpg?v=1766398897"},{"product_id":"erythrosin-b-c-i-45430-0331","title":"Erythrosin B (C.I. 45430), for microscopy, 5 g, glass","description":"\u003cp\u003eErythrosin B (C.I. 45430) is a dye for microscopy It is identified by CAS number 16423-68-0 and EG nr. 240-474-8, with empirical formula C₂₀H₆I₄Na₂O₅ and a molar mass of 879,84 g\/mol. These identifiers support accurate reagent selection, documentation and method transfer in histology, cytology and related biological staining work. The material is offered for microscopy applications within dyes and pigments for biological use, where consistent colour behaviour and clear labelling are essential. Classification under dyes for biological applications reflects its role in microscopic visualisation rather than bulk industrial colouration. Laboratories can align purchasing and inventory records with the stated CAS, EG number and molecular data, ensuring traceability from receipt through use at the bench.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/microscopy-stains-and-staining-solutions\"\u003eMicroscopy stains \u0026amp; staining solutions\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAppearance: red to brown powder\u003c\/li\u003e\n\u003cli\u003eMaximum absorption: 520-527 nm\u003c\/li\u003e\n\u003cli\u003eInsoluble in water: ≤0.2 %\u003c\/li\u003e\n\u003cli\u003eSolubility (10 mg\/ml in H2O): clear, red-orange to red\u003c\/li\u003e\n\u003cli\u003eCAS number: 16423-68-0\u003c\/li\u003e\n\u003cli\u003ePack sizes: 25 g, 5 g, 100 g\u003c\/li\u003e\n\u003cli\u003eEG nr.: 240-474-8\u003c\/li\u003e\n\u003cli\u003eEmpirical formula: C₂₀H₆I₄Na₂O₅\u003c\/li\u003e\n\u003cli\u003eMolar mass: 879,84 g\/mol\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-0331-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDEwNDU5NHxhcHBsaWNhdGlvbi9wZGZ8YURSaUwyZ3dZaTg1TWpjMk5ETTBNVFV6TlRBeUwxTlFSVnBmTURNek1WOUZUaTV3WkdZfDFiYTFkYmUzYzZjNzk0NWY0MmEzMTliMTdlMjU4NTU1NzNlOTQwOTk4M2RkMzY3Mzg0ZjhlNTgzOWUwZmM2ZDI\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-0331-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wyNjE0NDl8YXBwbGljYXRpb24vcGRmfGFEbGpMMmc0TUM4NU1qQTJNalUzTlRneU1URXdMMU5FUWw4d016TXhYMFJGWDBWT0xuQmtaZ3w3YjE2NGE5MjVlYWY4YjRhMTcwZjEyY2ZjYWIyM2M2NmRhMjhkZThmMjkyMzc0NzUyNzFjMDdjZGY1YjVlNmYw\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"5 g \/ 1 piece","offer_id":56112543269196,"sku":"0331.2","price":18.85,"currency_code":"EUR","in_stock":true},{"title":"5 g \/ 6+ pieces","offer_id":56112543301964,"sku":"0331.2","price":17.91,"currency_code":"EUR","in_stock":true},{"title":"5 g \/ 24+ pieces","offer_id":56112543334732,"sku":"0331.2","price":16.97,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 1 piece","offer_id":56112543367500,"sku":"0331.1","price":47.2,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 6+ pieces","offer_id":56112543400268,"sku":"0331.1","price":44.84,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 24+ pieces","offer_id":56112543433036,"sku":"0331.1","price":42.48,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 1 piece","offer_id":56112543465804,"sku":"0331.3","price":127.95,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 6+ pieces","offer_id":56112543498572,"sku":"0331.3","price":121.55,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 24+ pieces","offer_id":56112543531340,"sku":"0331.3","price":115.16,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/0331-SF-1000Wx1000H.jpg?v=1766398900"},{"product_id":"rhodamine-6g-c-i-45160-0749","title":"Rhodamine 6G (C.I. 45160), pure, 5 g, glass","description":"\u003cp\u003eRhodamine 6G (C.I. 45160) is a pure xanthene dye for biological staining, fluorescence microscopy and related laboratory work. It is characterised by CAS number 989-38-8, EG number 213-584-9 and the empirical formula C₂₈H₃₁ClN₂O₃, with a molar mass of 479,02 g\/mol. Laboratories rely on this dye for intense fluorescence and established performance in histological and cytological staining, tracer studies and selected laser-dye contexts. The pure grade supports reproducible colour development and optical response when stock solutions are prepared. Rhodamine 6G is a familiar reference among dyes for biological applications and remains useful in method development and comparative fluorescence work. Clear identification via CAS, EG number and Colour Index designation aids documentation within quality systems. Glass packaging protects the solid dye during storage and handling prior to dissolution for staining or fluorescence protocols.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/fluorescent-dyes-and-labels\"\u003eFluorescent dyes \u0026amp; labels\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAppearance: red to brown crystal or powder\u003c\/li\u003e\n\u003cli\u003eMaximum absorption: 525-529 nm\u003c\/li\u003e\n\u003cli\u003eLoss on drying: ≤5.0 %\u003c\/li\u003e\n\u003cli\u003eCAS number: 989-38-8\u003c\/li\u003e\n\u003cli\u003ePack sizes: 5 g, 25 g, 100 g\u003c\/li\u003e\n\u003cli\u003eEG nr.: 213-584-9\u003c\/li\u003e\n\u003cli\u003eEmpirical formula: C₂₈H₃₁ClN₂O₃\u003c\/li\u003e\n\u003cli\u003eMolar mass: 479,02 g\/mol\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-0749-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDEwNDQ3OHxhcHBsaWNhdGlvbi9wZGZ8YUdZd0wyaGlNUzg1TWpjeU1qazROek16TlRrNEwxTlFSVnBmTURjME9WOUZUaTV3WkdZfDIyNjg2NjgzOTZmYmY1ZWM4NjZhNWMyMzE3NzIwOTQ5MTNkY2UxZmZiOTgyOWRiNzg5NWZmYWM2ZDg3MzA5ZGI\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-0749-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wzNTU4MTh8YXBwbGljYXRpb24vcGRmfGFEZzNMMmd3T0M4NU1qQTJNalkwTWpZMk56Z3lMMU5FUWw4d056UTVYMFJGWDBWT0xuQmtaZ3w1N2EwNzkwNjg1YmQ0OThlNmM2YmQ3YjJkODhkMmM5OGMxOTQ0NmY3YmI2ZWQyMDliNjEwMWY3OWU3ZTMzMjNj\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"5 g \/ 1 piece","offer_id":56112582590796,"sku":"0749.1","price":26.35,"currency_code":"EUR","in_stock":true},{"title":"5 g \/ 6+ pieces","offer_id":56112582623564,"sku":"0749.1","price":25.03,"currency_code":"EUR","in_stock":true},{"title":"5 g \/ 24+ pieces","offer_id":56112582656332,"sku":"0749.1","price":23.72,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 1 piece","offer_id":56112582689100,"sku":"0749.2","price":59.7,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 6+ pieces","offer_id":56112582721868,"sku":"0749.2","price":56.72,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 24+ pieces","offer_id":56112582754636,"sku":"0749.2","price":53.73,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 1 piece","offer_id":56112582787404,"sku":"0749.3","price":177.4,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 6+ pieces","offer_id":56112582820172,"sku":"0749.3","price":168.53,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 24+ pieces","offer_id":56112582852940,"sku":"0749.3","price":159.66,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/0749-SF-1000Wx1000H.jpg?v=1766399028"},{"product_id":"rhodamine-12-dutp-1049","title":"Rhodamine-12-dUTP, min. 95 %, 1 mM solution, 25 µl, plastic","description":"\u003cp\u003eRhodamine-12-dUTP is a fluorescently labelled nucleotide analogue supplied as a 1 mM solution with a minimum purity of 95 %. The empirical formula is C₃₉H₄₁N₆O₁₉P₃ and the molar mass is 990,7 g\/mol, with a density of 1 g\/cm³ and a boiling point of 100 °C for the aqueous solution format. This provides a compact aliquot for laboratory use where rhodamine-tagged dUTP is required in nucleic-acid related work. The solution presentation at 1 mM supports direct handling in protocols that incorporate labelled deoxynucleotides. Rhodamine-12-dUTP from manufacturer Carl ROTH is offered for chemical and life-science applications that call for a min. 95 % rhodamine-12-dUTP reagent in solution. Pack weight is 0,008 kg. The defined concentration and small volume suit research settings that need controlled amounts of fluorescent dUTP without preparing stock from solid material.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/fluorescent-dyes-and-labels\"\u003eFluorescent dyes \u0026amp; labels\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePack sizes: 25 µl, 50 µl\u003c\/li\u003e\n\u003cli\u003ePurity: min. 95 %\u003c\/li\u003e\n\u003cli\u003eEmpirical formula: C₃₉H₄₁N₆O₁₉P₃\u003c\/li\u003e\n\u003cli\u003eMolar mass: 990,7 g\/mol\u003c\/li\u003e\n\u003cli\u003eStorage temperature: −20 °C\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/Info-Brochure-Nukleotides-EN.pdf?context=bWFzdGVyfHRlY2huaWNhbERvY3VtZW50c3w0ODE3MDJ8YXBwbGljYXRpb24vcGRmfGRHVmphRzVwWTJGc1JHOWpkVzFsYm5SekwyZzVPUzlvTURJdk9URXhOamN6T0RFMU9EWXlNaTV3WkdZfDgxNTlmNDFlYmUxNGE2MWY3NDZhMTZiM2U0MWU4NTY4MTUzMGEwNTE4NzViOTljOWE2Y2I2OGM3NDMzY2U3OWI\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-1049-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wyMzc2NzB8YXBwbGljYXRpb24vcGRmfGFEUXhMMmhqWmk4NU1qQTJNamN3TWpNd05UVTRMMU5FUWw4eE1EUTVYMFJGWDBWT0xuQmtaZ3wzYzAwMDA2OGM0MzRkNDk2OWVmNmQ2YjEzNmJmYmI2MDI1YjkwOTExODU3NjFhZmRhM2ZmODg5NWI2MTNlZDE5\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"25 µl \/ 1 piece","offer_id":56112659693900,"sku":"1049.1","price":263.4,"currency_code":"EUR","in_stock":true},{"title":"25 µl \/ 6+ pieces","offer_id":56112659726668,"sku":"1049.1","price":250.23,"currency_code":"EUR","in_stock":true},{"title":"25 µl \/ 24+ pieces","offer_id":56112659759436,"sku":"1049.1","price":237.06,"currency_code":"EUR","in_stock":true},{"title":"50 µl \/ 1 piece","offer_id":56112659792204,"sku":"1049.2","price":456.9,"currency_code":"EUR","in_stock":true},{"title":"50 µl \/ 6+ pieces","offer_id":56112659824972,"sku":"1049.2","price":434.06,"currency_code":"EUR","in_stock":true},{"title":"50 µl \/ 24+ pieces","offer_id":56112659857740,"sku":"1049.2","price":411.21,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/1049-1000Wx1000H.jpg?v=1766399146"},{"product_id":"methylene-blue-solution-0-1-aqueous-1433","title":"Methylene blue solution 0,1 %, aqueous, for microscopy, 250 ml, glass","description":"\u003cp\u003eMethylene blue solution 0,1 %, aqueous is a ready-for-use microscopy stain supplied as a dilute aqueous dye solution. At 0,1 % methylene blue in water, it serves classic staining and counterstaining steps in bacteriology, cytology, and general histology where nuclear and microbial structures need clear contrast under the light microscope. Density is approximately 1 g\/cm³ and the boiling point is 100 °C. The product is This aqueous methylene blue preparation from manufacturer Carl ROTH removes the need to weigh and dissolve solid dye for everyday microscopy work. Glass packaging supports chemical compatibility and visibility of remaining volume during multi-day staining sessions. Laboratories in clinical teaching, quality control, and research can apply the solution according to established methylene blue methods for simple stains or as part of differential procedures. Consistent 0,1 % strength supports reproducible colour intensity between slides and operators. The format is practical for shared microscopy suites that require a dependable, pre-diluted blue stain on demand.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/microscopy-stains-and-staining-solutions\"\u003eMicroscopy stains \u0026amp; staining solutions\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAppearance: blue-violet liquid\u003c\/li\u003e\n\u003cli\u003eOdour: odourless\u003c\/li\u003e\n\u003cli\u003ePack sizes: 250 ml, 500 ml, 1 l\u003c\/li\u003e\n\u003cli\u003eDensity: ~1 g\/cm³\u003c\/li\u003e\n\u003cli\u003eBoiling point: 100 °C\u003c\/li\u003e\n\u003cli\u003eConcentration: 0,1 % aqueous\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-1433-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDEwMjUwOXxhcHBsaWNhdGlvbi9wZGZ8YURjeEwyZzJZaTg1TWpVME5UTTFPVGczTWpNd0wxTlFSVnBmTVRRek0xOUZUaTV3WkdZfDI0ZTM3ZmViOTkxYzM3YjZhMmNlZTFjNTQ0MTA0NDIxZjQ2MDM2NThmMDU4MzBjNDdkNTQyMDA2M2MyNWFjZjk\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-1433-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wyMzcyMzB8YXBwbGljYXRpb24vcGRmfGFESmxMMmd5WXk4NU1qTTJOalUyTWpreE9EY3dMMU5FUWw4eE5ETXpYMFJGWDBWT0xuQmtaZ3w1YmJiMDhhNDQ4NjllYWZiMGM3OGY4ODFjNzljYmIwNjFlMmJmMWZmMjJhY2MyNGU3OGQ4YjBlZTljMTQ3OTZk\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"250 ml \/ 1 piece","offer_id":56117100642636,"sku":"1433.1","price":29.6,"currency_code":"EUR","in_stock":true},{"title":"250 ml \/ 6+ pieces","offer_id":56117100675404,"sku":"1433.1","price":28.12,"currency_code":"EUR","in_stock":true},{"title":"250 ml \/ 24+ pieces","offer_id":56117100708172,"sku":"1433.1","price":26.64,"currency_code":"EUR","in_stock":true},{"title":"500 ml \/ 1 piece","offer_id":56117100740940,"sku":"1433.2","price":41.4,"currency_code":"EUR","in_stock":true},{"title":"500 ml \/ 6+ pieces","offer_id":56117100773708,"sku":"1433.2","price":39.33,"currency_code":"EUR","in_stock":true},{"title":"500 ml \/ 24+ pieces","offer_id":56117100806476,"sku":"1433.2","price":37.26,"currency_code":"EUR","in_stock":true},{"title":"1 liter \/ 1 piece","offer_id":56117100839244,"sku":"1433.3","price":55.8,"currency_code":"EUR","in_stock":true},{"title":"1 liter \/ 6+ pieces","offer_id":56117100872012,"sku":"1433.3","price":55.8,"currency_code":"EUR","in_stock":true},{"title":"1 liter \/ 24+ pieces","offer_id":56117100904780,"sku":"1433.3","price":55.8,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/1433-1000Wx1000H.jpg?v=1766400116"},{"product_id":"l-methionine-1702","title":"L-Methionine, min. 99 %, CELLPURE®, 25 g, plastic","description":"\u003cp\u003eL-Methionine is an essential sulfur-containing amino acid offered at a minimum purity of 99 % in the CELLPURE® grade for cell-culture and biochemical work. It is defined by CAS number 63-68-3, empirical formula C₅H₁₁NO₂S and a molar mass of 149,21 g\/mol, supporting accurate media preparation and metabolic studies. L-Methionine serves as a proteinogenic building block and as a methyl-group donor in numerous enzymatic pathways, making it relevant for custom media, feed formulations and analytical standards. This CELLPURE® quality from manufacturer Carl ROTH is oriented toward applications where consistent amino-acid identity matters for reproducible cell growth and experimental design. Laboratories in life sciences and biopharmaceutical development can integrate the reagent into controlled culture systems and biochemical assays with confidence in its stated assay and chemical definition.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/microscopy-stains-and-staining-solutions\"\u003eMicroscopy stains \u0026amp; staining solutions\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEndotoxins: ≤6.0 E.U.\/g\u003c\/li\u003e\n\u003cli\u003eAssay: ≥99 %\u003c\/li\u003e\n\u003cli\u003eLoss on drying: ≤0.2 %\u003c\/li\u003e\n\u003cli\u003eSpecific rotation [α]20D: +23.0° to +24.0°\u003c\/li\u003e\n\u003cli\u003eAmmonium (NH4): ≤0.02 %\u003c\/li\u003e\n\u003cli\u003eChloride (Cl): ≤0.02 %\u003c\/li\u003e\n\u003cli\u003eSulphate (SO4): ≤0.02 %\u003c\/li\u003e\n\u003cli\u003eHeavy metals (as Pb): ≤0.001 %\u003c\/li\u003e\n\u003cli\u003eArsenic (As2O3): ≤0.0001 %\u003c\/li\u003e\n\u003cli\u003eIron (Fe): ≤0.001 %\u003c\/li\u003e\n\u003cli\u003eCAS number: 63-68-3\u003c\/li\u003e\n\u003cli\u003ePack sizes: 25 g, 100 g, 500 g\u003c\/li\u003e\n\u003cli\u003eEG nr.: 200-562-9\u003c\/li\u003e\n\u003cli\u003ePurity: min. 99 %\u003c\/li\u003e\n\u003cli\u003eEmpirical formula: C₅H₁₁NO₂S\u003c\/li\u003e\n\u003cli\u003eMolar mass: 149,21 g\/mol\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-1702-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDEwODU1N3xhcHBsaWNhdGlvbi9wZGZ8YUdJd0wyaGlZeTg1TWpVME5UTTRNekV6TnpVNEwxTlFSVnBmTVRjd01sOUZUaTV3WkdZfDU2Y2ZiMjdlYzAxOTU0ODQ4OTJmZjJlM2IwYmI5Yzk3Y2YzZjEzMzdhNTVkN2YzNTdjZTM0MmEzZmRhMDk3ZWM\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-1702-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wyNDE3Nzd8YXBwbGljYXRpb24vcGRmfGFHTm1MMmcxWWk4NU1qQTJNamcwTVRJME1Ua3dMMU5FUWw4eE56QXlYMFJGWDBWT0xuQmtaZ3w4YWFkOGJkMzM4Zjk4ZTJkZjMzOTkxZWEwYzI1OTM0ZWQ0N2UyN2Q0YTgxOWRhZjExNjljNGRlZGYxOTk5MWU0\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"25 g \/ 1 piece","offer_id":56117167784268,"sku":"1702.1","price":23.15,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 6+ pieces","offer_id":56117167817036,"sku":"1702.1","price":21.99,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 24+ pieces","offer_id":56117167849804,"sku":"1702.1","price":20.84,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 1 piece","offer_id":56117167882572,"sku":"1702.2","price":50.0,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 6+ pieces","offer_id":56117167915340,"sku":"1702.2","price":47.5,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 24+ pieces","offer_id":56117167948108,"sku":"1702.2","price":45.0,"currency_code":"EUR","in_stock":true},{"title":"500 g \/ 1 piece","offer_id":56117167980876,"sku":"1702.3","price":193.5,"currency_code":"EUR","in_stock":true},{"title":"500 g \/ 6+ pieces","offer_id":56117168013644,"sku":"1702.3","price":183.83,"currency_code":"EUR","in_stock":true},{"title":"500 g \/ 24+ pieces","offer_id":56117168046412,"sku":"1702.3","price":174.15,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/1702-9359-SF-1000Wx1000H_3c2015a7-a730-4592-a6ba-50662bd11623.jpg?v=1766400221"},{"product_id":"rhodamine-b-solution-1e02-1e02","title":"Rhodamine B solution, 0,5 % in 2-Propanol, 100 ml, glass","description":"\u003cp\u003eRhodamine B solution is a ready-to-use indicator preparation containing 0,5 % Rhodamine B dissolved in 2-propanol. With the empirical formula C₂₈H₃₁ClN₂O₃ and a molar mass of 479,02 g\/mol, it is suited to titration workflows and pH indicator applications in analytical and quality-control laboratories. The solution exhibits a density of 0,786 g\/cm³, a boiling point of 82 °C and a flash point of 13 °C, and is classified under UN number 1219. Supplied in a 100 ml glass pack, this convenient format supports routine indicator work without additional preparation steps. The product is offered by manufacturer Carl ROTH within its range of ready-to-use pH indicator solutions for titration. Laboratories can integrate it into acid–base and related volumetric procedures where a stable alcoholic Rhodamine B reagent is required. Clear physical data and a defined solvent matrix help maintain consistency across batches and support reproducible endpoint observation in everyday analytical practice.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/fluorescent-dyes-and-labels\"\u003eFluorescent dyes \u0026amp; labels\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePack size: 100 ml glass\u003c\/li\u003e\n\u003cli\u003eEmpirical formula: C₂₈H₃₁ClN₂O₃\u003c\/li\u003e\n\u003cli\u003eMolar mass: 479,02 g\/mol\u003c\/li\u003e\n\u003cli\u003eDensity: 0,786 g\/cm³\u003c\/li\u003e\n\u003cli\u003eFlash point: 13 °C\u003c\/li\u003e\n\u003cli\u003eCAS number: 67-63-0\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-1E02-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDk0NDQ1fGFwcGxpY2F0aW9uL3BkZnxhRGRpTDJneFpDODVNalUwTlRRME1qYzNOVE0wTDFOUVJWcGZNVVV3TWw5RlRpNXdaR1l8MTU0ZTM3OTUwNmUyMTVjMWMyODlkMWFmYmE4OGJjOTk2MDQwNWJmMGFlYjhkNTI2N2VmZWQ5ZWJhMjg0ZWUxYg\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-1E02-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wzMDE4Mzd8YXBwbGljYXRpb24vcGRmfGFEUXpMMmd3WVM4NU1qQTJNamt6TVRNMU16a3dMMU5FUWw4eFJUQXlYMFJGWDBWT0xuQmtaZ3w5MDNkOGU0N2RjMDU5OGJhNjUyOWZkM2I2YTliMDdjY2NlNWM3NDdkYzQwODBkZWEwZmUwOWUwNTBmYTNlYTk3\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"100 ml \/ 1 piece","offer_id":56124323496268,"sku":"1E02.1","price":88.05,"currency_code":"EUR","in_stock":true},{"title":"100 ml \/ 6+ pieces","offer_id":56124323529036,"sku":"1E02.1","price":83.65,"currency_code":"EUR","in_stock":true},{"title":"100 ml \/ 24+ pieces","offer_id":56124323561804,"sku":"1E02.1","price":79.25,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/T130-SF-1000Wx1000H_1ac88154-e6a5-4795-aa7c-c9a919fcbe4e.jpg?v=1766402297"},{"product_id":"azocarmine-g-c-i-50085-1h40-1h40","title":"Azocarmine G (C.I. 50085), extra pure, 1 g, glass","description":"\u003cp\u003eAzocarmine G (C.I. 50085) is an extra pure dye intended for biological and laboratory staining applications. It is registered under CAS number 25641-18-3, with empirical formula C₂₈H₁₈N₃NaO₆S₂ and a molar mass of 579,58 g\/mol. The material is This grade from manufacturer Carl ROTH is listed among dyes for biological applications and supports reproducible preparation of staining solutions where Colour Index 50085 is specified. Azocarmine G is valued in microscopy workflows that call for intense red colouration and controlled dye chemistry. The extra pure designation aids consistency between batches when developing or repeating staining procedures. Handle the powder with standard laboratory precautions, dissolve according to validated recipes, and store the closed glass container under ordinary laboratory conditions. Safety documentation is provided to guide risk assessment, personal protective equipment and waste handling for this fine chemical.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/microscopy-stains-and-staining-solutions\"\u003eMicroscopy stains \u0026amp; staining solutions\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAppearance: brown, red or purple powder\u003c\/li\u003e\n\u003cli\u003eMaximum absorption: 510-523 nm\u003c\/li\u003e\n\u003cli\u003eCAS number: 25641-18-3\u003c\/li\u003e\n\u003cli\u003ePack sizes: 1 g, 5 g, 10 g\u003c\/li\u003e\n\u003cli\u003eEmpirical formula: C₂₈H₁₈N₃NaO₆S₂\u003c\/li\u003e\n\u003cli\u003eMolar mass: 579,58 g\/mol\u003c\/li\u003e\n\u003cli\u003eGrade: extra pure\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-1H40-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDEwMTU2OXxhcHBsaWNhdGlvbi9wZGZ8YURjekwyZzNaQzg1TWpVME5UUTRNRFExT0RVMEwxTlFSVnBmTVVnME1GOUZUaTV3WkdZfDU2ZjI2ODMzNTkzMGMwNGQ1YWI2NzQzOGUwOGE4NDQxNjE1MmU3NDYxMzc2ZmE5ZjM0MWViNTMxNGIxYzg1YTg\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-1H40-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wyMzcwOTV8YXBwbGljYXRpb24vcGRmfGFEVTRMMmd5T1M4NU1qQTJNams0TlRjME9EYzRMMU5FUWw4eFNEUXdYMFJGWDBWT0xuQmtaZ3w1ZTEwNjg0M2MyMmMwYTNiMzg2ZjdhYmJkYTI1YTA2YjU5MDljMThhNjZkZmE2YzEwNjhmZTYxNDRkNjA3ZmIz\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"1 g \/ 1 piece","offer_id":56124404269388,"sku":"1H40.1","price":37.55,"currency_code":"EUR","in_stock":true},{"title":"1 g \/ 6+ pieces","offer_id":56124404302156,"sku":"1H40.1","price":37.55,"currency_code":"EUR","in_stock":true},{"title":"1 g \/ 24+ pieces","offer_id":56124404334924,"sku":"1H40.1","price":37.55,"currency_code":"EUR","in_stock":true},{"title":"5 g \/ 1 piece","offer_id":56124404367692,"sku":"1H40.2","price":76.25,"currency_code":"EUR","in_stock":true},{"title":"5 g \/ 6+ pieces","offer_id":56124404400460,"sku":"1H40.2","price":72.44,"currency_code":"EUR","in_stock":true},{"title":"5 g \/ 24+ pieces","offer_id":56124404433228,"sku":"1H40.2","price":68.63,"currency_code":"EUR","in_stock":true},{"title":"10 g \/ 1 piece","offer_id":56124404465996,"sku":"1H40.3","price":123.65,"currency_code":"EUR","in_stock":true},{"title":"10 g \/ 6+ pieces","offer_id":56124404498764,"sku":"1H40.3","price":117.47,"currency_code":"EUR","in_stock":true},{"title":"10 g \/ 24+ pieces","offer_id":56124404531532,"sku":"1H40.3","price":111.29,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/1H40-SF-1000Wx1000H_c8195e2e-ed16-4861-aa73-79b8064856e9.jpg?v=1766402606"},{"product_id":"biebrich-scarlet-c-i-26905-1h41-1h41","title":"Biebrich scarlet (C.I. 26905), extra pure, 5 g, glass","description":"\u003cp\u003eBiebrich scarlet (C.I. 26905) is an extra pure azo dye supplied for laboratory and biological staining use. It is identified by CAS number 4196-99-0 and EG number 224-084-5, with the empirical formula C₂₂H₁₄N₄Na₂O₇S₂ and a molar mass of 556,49 g\/mol. The product is Sourced from manufacturer Carl ROTH, this extra pure grade suits protocols that specify Colour Index 26905 and require reliable dye identity. Biebrich scarlet is established in histological and related staining techniques where a vivid scarlet component is needed alongside other dyes. The disodium salt structure supports aqueous dissolution under standard laboratory conditions. Use calibrated weighing and validated recipes to achieve consistent colour intensity, and keep the closed glass container protected from contamination between uses. Consult the safety data sheet for handling, storage and disposal guidance appropriate to this fine chemical dye.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAppearance: dark brown powder\u003c\/li\u003e\n\u003cli\u003eAssay: ≥70 %\u003c\/li\u003e\n\u003cli\u003eAbsorption max. (in H2O): 506-510 nm\u003c\/li\u003e\n\u003cli\u003eLoss on drying (110 °C): ≤15 %\u003c\/li\u003e\n\u003cli\u003eCAS number: 4196-99-0\u003c\/li\u003e\n\u003cli\u003ePack sizes: 5 g, 25 g, 100 g\u003c\/li\u003e\n\u003cli\u003eEG nr.: 224-084-5\u003c\/li\u003e\n\u003cli\u003eEmpirical formula: C₂₂H₁₄N₄Na₂O₇S₂\u003c\/li\u003e\n\u003cli\u003eMolar mass: 556,49 g\/mol\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-1H41-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDEwNDAxOHxhcHBsaWNhdGlvbi9wZGZ8YUROaUwyZzNNeTg1TWpVME5UUTRNelF3TnpZMkwxTlFSVnBmTVVnME1WOUZUaTV3WkdZfGMyOGU3MzYwNDU0NDM4NjQyN2YzMjE3YTNmODE4MjViN2MzNTNhMTRkMGZjZDUxMDM0MTJmMGMxNTgzZDcyMjc\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-1H41-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wyMzY5Njl8YXBwbGljYXRpb24vcGRmfGFEaG1MMmd6Tmk4NU1qQTJNams0T1RNMU16STJMMU5FUWw4eFNEUXhYMFJGWDBWT0xuQmtaZ3w0MmFiZjZlN2EzNThlYzZkNmNlNzE4YzI5ZjczYmRkNjBmM2FmNjU2NzUyMTAwYjk3ZTg1M2E5MjUwNmRlY2Iz\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"5 g \/ 1 piece","offer_id":56124404564300,"sku":"1H41.1","price":26.35,"currency_code":"EUR","in_stock":true},{"title":"5 g \/ 6+ pieces","offer_id":56124404597068,"sku":"1H41.1","price":25.03,"currency_code":"EUR","in_stock":true},{"title":"5 g \/ 24+ pieces","offer_id":56124404629836,"sku":"1H41.1","price":23.72,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 1 piece","offer_id":56124404662604,"sku":"1H41.2","price":58.6,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 6+ pieces","offer_id":56124404695372,"sku":"1H41.2","price":55.67,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 24+ pieces","offer_id":56124404728140,"sku":"1H41.2","price":52.74,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 1 piece","offer_id":56124404760908,"sku":"1H41.3","price":110.2,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 6+ pieces","offer_id":56124404793676,"sku":"1H41.3","price":104.69,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 24+ pieces","offer_id":56124404826444,"sku":"1H41.3","price":99.18,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/1H41-SF-1000Wx1000H_6e2e68b9-8faa-4f22-abd9-0221e4b5e142.jpg?v=1766402607"},{"product_id":"chrysoidine-y-c-i-11270-1h44-1h44","title":"Chrysoidine Y (C.I. 11270), extra pure, 10 g, glass","description":"\u003cp\u003eChrysoidine Y (C.I. 11270) is an extra pure dye intended for biological and laboratory staining applications. It is identified by CAS number 532-82-1 and EG number 208-545-8, with the empirical formula C₁₂H₁₃N₄Cl and a molar mass of 248,71 g\/mol. Listed among dyes and pigments for biological use, this Colour Index 11270 material provides a defined chrysoidine Y grade for protocols that require a consistent azo dye identity. Extra pure quality together with full CAS, EG, and formula data supports clear reagent documentation in research and teaching laboratories. Transport classification includes UN number 3077 as stated by the manufacturer. Supplied from manufacturer Carl ROTH, Chrysoidine Y combines specified chemical parameters with practical glass packaging for dye inventories focused on biological application work.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAppearance: red brown powder\u003c\/li\u003e\n\u003cli\u003eMaximum absorption: 440-460 nm\u003c\/li\u003e\n\u003cli\u003eCAS number: 532-82-1\u003c\/li\u003e\n\u003cli\u003ePack sizes: 10 g, 50 g, 100 g\u003c\/li\u003e\n\u003cli\u003eEG nr.: 208-545-8\u003c\/li\u003e\n\u003cli\u003eEmpirical formula: C₁₂H₁₃N₄Cl\u003c\/li\u003e\n\u003cli\u003eMolar mass: 248,71 g\/mol\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-1H44-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDEwMTgzNnxhcHBsaWNhdGlvbi9wZGZ8YURCa0wyZzNOeTg1TWpVME5UUTRNakE1TmprMEwxTlFSVnBmTVVnME5GOUZUaTV3WkdZfDk1Mzg2NGZlOGFkM2Y1YjAxMjBjYWExM2VkNGZlMWQ5MmE2ZWI2ZDQwMDJhN2M2ZGJlZDhkYTFhNzM3YjA4MTY\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-1H44-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wzMTAxODN8YXBwbGljYXRpb24vcGRmfGFESXdMMmc0T1M4NU1qQTJNams1TWprMU56YzBMMU5FUWw4eFNEUTBYMFJGWDBWT0xuQmtaZ3xmNjIwNDU3MzI3OGE0YmZlOTA5NWRjYjQ3NWQ0MjgwMDlhZWQzZWI4NzNlNDg2ZjU4YzA1YzQ3MjExZmFlMTc3\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"10 g \/ 1 piece","offer_id":56124407578956,"sku":"1H44.1","price":13.9,"currency_code":"EUR","in_stock":true},{"title":"10 g \/ 6+ pieces","offer_id":56124407611724,"sku":"1H44.1","price":13.21,"currency_code":"EUR","in_stock":true},{"title":"10 g \/ 24+ pieces","offer_id":56124407644492,"sku":"1H44.1","price":12.51,"currency_code":"EUR","in_stock":true},{"title":"50 g \/ 1 piece","offer_id":56124407677260,"sku":"1H44.2","price":47.2,"currency_code":"EUR","in_stock":true},{"title":"50 g \/ 6+ pieces","offer_id":56124407710028,"sku":"1H44.2","price":44.84,"currency_code":"EUR","in_stock":true},{"title":"50 g \/ 24+ pieces","offer_id":56124407742796,"sku":"1H44.2","price":42.48,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 1 piece","offer_id":56124407775564,"sku":"1H44.3","price":88.7,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 6+ pieces","offer_id":56124407808332,"sku":"1H44.3","price":84.27,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 24+ pieces","offer_id":56124407841100,"sku":"1H44.3","price":79.83,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/1H44-SF-1000Wx1000H_2b9e9ad1-beef-4a65-bc67-01c9c3b39fbd.jpg?v=1766402609"},{"product_id":"pyronin-b-c-i-45010-1h57-1h57","title":"Pyronin B (C.I. 45010), extra pure, 1 g, glass","description":"\u003cp\u003ePyronin B (C.I. 45010) is an extra pure xanthene dye supplied for laboratory use, with CAS number 2150-48-3 and empirical formula C₄₂H₅₄Cl₈Fe₂N₄O₂. Its molar mass is 1042,22 g\/mol. This iron-complexed pyronin derivative is well established in histological and cytological staining workflows, where controlled dye quality supports reproducible colour development in nucleic-acid and tissue preparations. The material is Extra pure grade helps laboratories maintain consistent batch performance when preparing stock solutions or staining baths. Pyronin B from manufacturer Carl ROTH fits chemical catalogues focused on dyes and staining reagents for research and routine microscopy. Handle according to standard laboratory practice for organic dyes and consult the accompanying safety documentation before use. The compact glass presentation supports organised storage and straightforward weighing for volumetric preparations in teaching, QC, and research environments that require a clearly specified pyronin reagent.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/microscopy-stains-and-staining-solutions\"\u003eMicroscopy stains \u0026amp; staining solutions\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAppearance: dark green powder\u003c\/li\u003e\n\u003cli\u003eMaximum absorption: 545-560 nm\u003c\/li\u003e\n\u003cli\u003eCAS number: 2150-48-3\u003c\/li\u003e\n\u003cli\u003ePack sizes: 1 g, 5 g, 10 g\u003c\/li\u003e\n\u003cli\u003eEmpirical formula: C₄₂H₅₄Cl₈Fe₂N₄O₂\u003c\/li\u003e\n\u003cli\u003eMolar mass: 1042,22 g\/mol\u003c\/li\u003e\n\u003cli\u003eGrade: extra pure\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-1H57-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDEwMTkyOHxhcHBsaWNhdGlvbi9wZGZ8YURFekwyZzJZeTg1TWpVME5UUTROVGN3TVRReUwxTlFSVnBmTVVnMU4xOUZUaTV3WkdZfGFkOTkzNWFhYzA2OGQ1MzEwNjRjNjZhOWJmMzY2NWEzZjY5ZTYyNmM2MzU3ODRhZTljZGYwYjM3OWFiN2E3NTM\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-1H57-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wyMzkyMjF8YXBwbGljYXRpb24vcGRmfGFESm1MMmc0Wmk4NU1qQTJNams1TkRJMk9EUTJMMU5FUWw4eFNEVTNYMFJGWDBWT0xuQmtaZ3wxYTZkNDQ3MjY4ZmFiOWMzMTg1NGM2ZmI1MGE3ZTg5ZmQ2Y2NmMmI4ODJiYmY1NDU4ZmJkNmE3YzY5NjlmZjNi\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"1 g \/ 1 piece","offer_id":56124418031948,"sku":"1H57.1","price":32.15,"currency_code":"EUR","in_stock":true},{"title":"1 g \/ 6+ pieces","offer_id":56124418064716,"sku":"1H57.1","price":32.15,"currency_code":"EUR","in_stock":true},{"title":"1 g \/ 24+ pieces","offer_id":56124418097484,"sku":"1H57.1","price":32.15,"currency_code":"EUR","in_stock":true},{"title":"5 g \/ 1 piece","offer_id":56124418130252,"sku":"1H57.2","price":64.0,"currency_code":"EUR","in_stock":true},{"title":"5 g \/ 6+ pieces","offer_id":56124418163020,"sku":"1H57.2","price":60.8,"currency_code":"EUR","in_stock":true},{"title":"5 g \/ 24+ pieces","offer_id":56124418195788,"sku":"1H57.2","price":57.6,"currency_code":"EUR","in_stock":true},{"title":"10 g \/ 1 piece","offer_id":56124418228556,"sku":"1H57.3","price":110.2,"currency_code":"EUR","in_stock":true},{"title":"10 g \/ 6+ pieces","offer_id":56124418261324,"sku":"1H57.3","price":104.69,"currency_code":"EUR","in_stock":true},{"title":"10 g \/ 24+ pieces","offer_id":56124418294092,"sku":"1H57.3","price":99.18,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/1H57-SF-1000Wx1000H_d3b9efd4-ea5a-4c79-9e29-330c8ff0659c.jpg?v=1766402622"},{"product_id":"new-fuchsin-c-i-42520-1h5e-1h5e","title":"New fuchsin (C.I. 42520), extra pure, 25 g, glass","description":"\u003cp\u003eNew fuchsin (C.I. 42520) is an extra pure dye for biological and laboratory staining applications. It carries CAS number 3248-91-7, EG nr. 221-831-7, empirical formula C₂₂H₂₄ClN₃ and a molar mass of 365,91 g\/mol. Physical data include a density of 0,541 g\/cm³, a flash point of 268 °C and a boiling point above 300 °C, supporting informed handling in controlled lab environments. Typical use includes biological staining and related dye preparations that benefit from a defined, extra pure grade. This product from manufacturer Carl ROTH provides a practical pack size for method setup, routine staining and formulation trials. Its clear identity as new fuchsin and documented physicochemical parameters help laboratories maintain consistent dye performance across biological application workflows and general chemical staining tasks.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/microscopy-stains-and-staining-solutions\"\u003eMicroscopy stains \u0026amp; staining solutions\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAppearance: green to dark green powder\u003c\/li\u003e\n\u003cli\u003eMaximum absorption: 548-558 nm\u003c\/li\u003e\n\u003cli\u003eCAS number: 3248-91-7\u003c\/li\u003e\n\u003cli\u003ePack sizes: 25 g, 50 g, 100 g\u003c\/li\u003e\n\u003cli\u003eEG nr.: 221-831-7\u003c\/li\u003e\n\u003cli\u003ePurity: extra pure\u003c\/li\u003e\n\u003cli\u003eEmpirical formula: C₂₂H₂₄ClN₃\u003c\/li\u003e\n\u003cli\u003eMolar mass: 365,91 g\/mol\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-1H5E-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDEwMTkyOHxhcHBsaWNhdGlvbi9wZGZ8YUdSakwyZ3hNeTg1TWpVME5UUTVNREk0T0RrMEwxTlFSVnBmTVVnMVJWOUZUaTV3WkdZfGQxYjlmMDA0ZjBiOTU1Nzg4NjFhODI3NjgyNmY1ODcyNmE5OWVjZThhZTBjYWMzODM3M2VkYWUxZmJkMTA1OTc\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-1H5E-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wyNjc4Nzl8YXBwbGljYXRpb24vcGRmfGFHRTNMMmhpTlM4NU1qQTJNekF3TlRjek56STJMMU5FUWw4eFNEVkZYMFJGWDBWT0xuQmtaZ3w5ZTdjNTNkYmViOTdkZjhiMWQxNTA3NTA0MzQxYjQyZGI0OTk4MmM1OTExZWYxYTY1ZDc4YTEwMTFkYjdkZmNm\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"25 g \/ 1 piece","offer_id":56124419572044,"sku":"1H5E.1","price":32.15,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 6+ pieces","offer_id":56124419604812,"sku":"1H5E.1","price":30.54,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 24+ pieces","offer_id":56124419637580,"sku":"1H5E.1","price":28.94,"currency_code":"EUR","in_stock":true},{"title":"50 g \/ 1 piece","offer_id":56124419670348,"sku":"1H5E.2","price":50.45,"currency_code":"EUR","in_stock":true},{"title":"50 g \/ 6+ pieces","offer_id":56124419703116,"sku":"1H5E.2","price":47.93,"currency_code":"EUR","in_stock":true},{"title":"50 g \/ 24+ pieces","offer_id":56124419735884,"sku":"1H5E.2","price":45.41,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 1 piece","offer_id":56124419768652,"sku":"1H5E.3","price":82.7,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 6+ pieces","offer_id":56124419801420,"sku":"1H5E.3","price":78.57,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 24+ pieces","offer_id":56124419834188,"sku":"1H5E.3","price":74.43,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/1H5E-SF-1000Wx1000H_748e73e0-8bb7-4bab-8670-99a8465502f2.jpg?v=1766402625"},{"product_id":"oil-red-o-c-i-26125-1h5h-1h5h","title":"Oil red O (C.I. 26125), extra pure, 25 g, glass","description":"\u003cp\u003eOil red O (C.I. 26125) is an extra pure dye intended for biological and laboratory staining work. Registered under CAS number 1320-06-5, it has the empirical formula C₂₆H₂₄N₄O and a molar mass of 408,5 g\/mol. As a Colour Index 26125 pigment-type dye, it is commonly selected for lipid-oriented and other biological staining procedures that require a well-defined red dye. The product is Positioned among dyes for biological applications, this extra pure grade from manufacturer Carl ROTH gives laboratories a consistent chemical identity for method development and day-to-day staining. The glass pack supports orderly storage and dispensing on the bench, while the stated molecular formula and molar mass assist documentation, solution calculation and quality-controlled use in professional research and diagnostic-support environments.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/microscopy-stains-and-staining-solutions\"\u003eMicroscopy stains \u0026amp; staining solutions\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAppearance: red brown powder\u003c\/li\u003e\n\u003cli\u003eDye content: ≥75 %\u003c\/li\u003e\n\u003cli\u003eMaximum absorption: 528-534 nm\u003c\/li\u003e\n\u003cli\u003eCAS number: 1320-06-5\u003c\/li\u003e\n\u003cli\u003ePack sizes: 25 g, 100 g\u003c\/li\u003e\n\u003cli\u003ePurity: extra pure\u003c\/li\u003e\n\u003cli\u003eEmpirical formula: C₂₆H₂₄N₄O\u003c\/li\u003e\n\u003cli\u003eMolar mass: 408,5 g\/mol\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-1H5H-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDEwMjQ4NXxhcHBsaWNhdGlvbi9wZGZ8YUdWbEwyZzJNUzg1TWpVME5UUTRPRFkxTURVMEwxTlFSVnBmTVVnMVNGOUZUaTV3WkdZfDQxMGViYzI0MGQ2NDgzMDM4MDE0ZmFkNmE2ZTBjNTM0NGU5YWIzYzI2MzE0MmMzNWNiYmY5NWE0MmRhMWE1NGU\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-1H5H-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wyMzkxMzV8YXBwbGljYXRpb24vcGRmfGFERTRMMmhoWWk4NU1qQTJNekF3TWpRMk1EUTJMMU5FUWw4eFNEVklYMFJGWDBWT0xuQmtaZ3w5ZjJlMzE0Y2QwOWY1MDg3OWZhZDQwM2ZjZDRkNDQ2ZTYxMWJiMzI5ZTNiYjQzOWUxYWQ4ZTFmZTE4MGI0YTRh\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"25 g \/ 1 piece","offer_id":56124419932492,"sku":"1H5H.1","price":26.35,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 6+ pieces","offer_id":56124419965260,"sku":"1H5H.1","price":25.03,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 24+ pieces","offer_id":56124419998028,"sku":"1H5H.1","price":23.72,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 1 piece","offer_id":56124420030796,"sku":"1H5H.2","price":64.0,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 6+ pieces","offer_id":56124420063564,"sku":"1H5H.2","price":60.8,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 24+ pieces","offer_id":56124420096332,"sku":"1H5H.2","price":57.6,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/1H5H-SF-1000Wx1000H.jpg?v=1766402627"},{"product_id":"pararosaniline-base-c-i-42500-1h5l-1h5l","title":"Pararosaniline base (C.I. 42500), extra pure, 5 g, glass","description":"\u003cp\u003ePararosaniline base (C.I. 42500) is an extra pure dye chemical for biological staining and related laboratory applications. It is identified by CAS number 467-62-9 and EG nr. 207-395-0, with empirical formula C₁₉H₁₉N₃O and a molar mass of 305,38 g\/mol. Reported physical properties include a density of 1,287 g\/cm³, a flash point of 308,3 °C and a boiling point of 516,8 °C, which support safe handling assessments in the laboratory. This extra pure grade from manufacturer Carl ROTH is appropriate where a defined pararosaniline base is required for dyes and pigments used in biological applications. The compact glass unit aids precise weighing and inventory control, while the documented molecular and physical data facilitate solution preparation, documentation and consistent performance in research and routine staining workflows.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAppearance: purple to red-brown powder\u003c\/li\u003e\n\u003cli\u003eDye content: ≥95 %\u003c\/li\u003e\n\u003cli\u003eAbsorption max. (C2H5OH): 544-547 nm\u003c\/li\u003e\n\u003cli\u003eLoss on drying: ≤5 %\u003c\/li\u003e\n\u003cli\u003eCAS number: 467-62-9\u003c\/li\u003e\n\u003cli\u003ePack sizes: 5 g, 10 g, 25 g\u003c\/li\u003e\n\u003cli\u003eEG nr.: 207-395-0\u003c\/li\u003e\n\u003cli\u003ePurity: extra pure\u003c\/li\u003e\n\u003cli\u003eEmpirical formula: C₁₉H₁₉N₃O\u003c\/li\u003e\n\u003cli\u003eMolar mass: 305,38 g\/mol\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-1H5L-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDEwMzU3MHxhcHBsaWNhdGlvbi9wZGZ8YURnMkwyZzFaUzg1TWpVME5UUTRPVFl6TXpVNEwxTlFSVnBmTVVnMVRGOUZUaTV3WkdZfGFjMzExMzNjOThhYmJmYzlkNmZkNTliMjhiNmNjZjc4OTVhMGRlNzVhYjlhNTA1YzdkNTFhYzliYjgxNjJiNTY\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-1H5L-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wyNTczMTF8YXBwbGljYXRpb24vcGRmfGFEaGlMMmhrTXk4NU1qQTJNekF4T1RFM01qRTBMMU5FUWw4eFNEVk1YMFJGWDBWT0xuQmtaZ3xiYWVlZWUyMjExMGI0YThkZTdkMTZjNzZiNzE4OWFiMGJmNDAzMzA0NjkyNmE0ZjE3M2QxMTdjZjBlYzA2YzVk\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"5 g \/ 1 piece","offer_id":56124420489548,"sku":"1H5L.1","price":26.35,"currency_code":"EUR","in_stock":true},{"title":"5 g \/ 6+ pieces","offer_id":56124420522316,"sku":"1H5L.1","price":25.03,"currency_code":"EUR","in_stock":true},{"title":"5 g \/ 24+ pieces","offer_id":56124420555084,"sku":"1H5L.1","price":23.72,"currency_code":"EUR","in_stock":true},{"title":"10 g \/ 1 piece","offer_id":56124420587852,"sku":"1H5L.2","price":45.05,"currency_code":"EUR","in_stock":true},{"title":"10 g \/ 6+ pieces","offer_id":56124420620620,"sku":"1H5L.2","price":42.8,"currency_code":"EUR","in_stock":true},{"title":"10 g \/ 24+ pieces","offer_id":56124420653388,"sku":"1H5L.2","price":40.55,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 1 piece","offer_id":56124420686156,"sku":"1H5L.3","price":76.25,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 6+ pieces","offer_id":56124420718924,"sku":"1H5L.3","price":72.44,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 24+ pieces","offer_id":56124420751692,"sku":"1H5L.3","price":68.63,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/1H5L-SF-1000Wx1000H_a0ed3116-6f94-4b77-9bd8-2cc22d549f60.jpg?v=1766402626"},{"product_id":"patent-blue-vf-c-i-42045-1h5n-1h5n","title":"Patent blue VF (C.I. 42045), extra pure, 10 g, glass","description":"\u003cp\u003ePatent blue VF (C.I. 42045) is an extra pure triarylmethane dye supplied for laboratory and biological staining work. It is identified by CAS number 129-17-9, empirical formula C₂₇H₃₁N₂NaO₆S₂ and molar mass 566,66 g\/mol, with a reported density of 0,294 g\/cm³ and flash point of 180,6 °C. The material is Categories of use include dyes for biological applications where a defined Colour Index reference and consistent purity support reproducible staining protocols. Physical data from manufacturer Carl ROTH allow straightforward integration into existing laboratory workflows and documentation. The dye is handled as a solid laboratory chemical; users should consult the accompanying safety information before preparation of stock solutions or staining baths. This pack size is practical for method development, teaching laboratories and routine biological staining where modest quantities of an extra pure grade are required.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/dyes-and-pigments\"\u003eDyes \u0026amp; pigments\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAppearance: dark blue-green to dark purple powder\u003c\/li\u003e\n\u003cli\u003eAbsorption max. (in H2O): 637-640 nm\u003c\/li\u003e\n\u003cli\u003eCAS number: 129-17-9\u003c\/li\u003e\n\u003cli\u003ePack sizes: 10 g, 25 g, 100 g\u003c\/li\u003e\n\u003cli\u003eEG nr.: 204-934-1\u003c\/li\u003e\n\u003cli\u003eMolar mass: 566,66 g\/mol\u003c\/li\u003e\n\u003cli\u003eDensity: 0,294 g\/cm³\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-1H5N-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDEwMjQ1NHxhcHBsaWNhdGlvbi9wZGZ8YURRMUwyZzJNaTg1TWpVME5UUTRPRE15TWpnMkwxTlFSVnBmTVVnMVRsOUZUaTV3WkdZfGYxYTg2Y2UwYTU2MjJhN2ZjNDhjZWYwZjgyNTZiYzIxOGJlN2YyY2M1NDE0NWRmZmMwM2U0MGZmYWI1YzNjYjE\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-1H5N-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wyNTIwMjZ8YXBwbGljYXRpb24vcGRmfGFEWmxMMmhoWWk4NU1qQTJNekF3TWpjNE9ERTBMMU5FUWw4eFNEVk9YMFJGWDBWT0xuQmtaZ3xiZWMxNzc4MTUwOGIwODI1MWM3MjZkNTFjNWNiM2Q4OWY2YmJkNjQyZWMwMWVmOTg4MGUwZWY1MTQ2NjI5OWY5\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"10 g \/ 1 piece","offer_id":56124420817228,"sku":"1H5N.1","price":26.35,"currency_code":"EUR","in_stock":true},{"title":"10 g \/ 6+ pieces","offer_id":56124420849996,"sku":"1H5N.1","price":25.03,"currency_code":"EUR","in_stock":true},{"title":"10 g \/ 24+ pieces","offer_id":56124420882764,"sku":"1H5N.1","price":23.72,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 1 piece","offer_id":56124420915532,"sku":"1H5N.2","price":45.05,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 6+ pieces","offer_id":56124420948300,"sku":"1H5N.2","price":42.8,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 24+ pieces","offer_id":56124420981068,"sku":"1H5N.2","price":40.55,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 1 piece","offer_id":56124421013836,"sku":"1H5N.3","price":102.7,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 6+ pieces","offer_id":56124421046604,"sku":"1H5N.3","price":97.57,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 24+ pieces","offer_id":56124421079372,"sku":"1H5N.3","price":92.43,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/1H5N-SF-1000Wx1000H_d1040403-847f-4901-9858-0bd1fcef94dc.jpg?v=1766402627"},{"product_id":"pyronin-g-c-i-45005-1h5t-1h5t","title":"Pyronin G (C.I. 45005), extra pure, 1 g, glass","description":"\u003cp\u003ePyronin G (C.I. 45005) is an extra pure xanthene dye intended for biological staining and related laboratory applications. It is specified by CAS number 92-32-0, empirical formula C₁₇H₁₉ClN₂O and molar mass 302,8 g\/mol. The product is As a Colour Index–referenced dye for biological applications, it supports protocols that require a defined pyronin grade with documented purity. Identity and physical data from manufacturer Carl ROTH facilitate consistent ordering and laboratory documentation. The extra pure quality and small pack format suit research, teaching and routine staining where controlled dye input is preferred. Users should follow standard chemical handling procedures and consult the safety data before dissolution or application to biological specimens.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/microscopy-stains-and-staining-solutions\"\u003eMicroscopy stains \u0026amp; staining solutions\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAppearance: green to black powder\u003c\/li\u003e\n\u003cli\u003eDye content: ≥50 %\u003c\/li\u003e\n\u003cli\u003eAbsorption max. (50 % C2H5OH): 546-551 nm\u003c\/li\u003e\n\u003cli\u003eLoss on drying (110 °C): ≤15 %\u003c\/li\u003e\n\u003cli\u003eCAS number: 92-32-0\u003c\/li\u003e\n\u003cli\u003ePack sizes: 1 g, 5 g, 10 g\u003c\/li\u003e\n\u003cli\u003eEG nr.: 202-147-8\u003c\/li\u003e\n\u003cli\u003eEmpirical formula: C₁₇H₁₉ClN₂O\u003c\/li\u003e\n\u003cli\u003eMolar mass: 302,8 g\/mol\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-1H5T-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDEwNDczMHxhcHBsaWNhdGlvbi9wZGZ8YUdJMUwyZ3dZeTg1TWpVME5UUTVNalU0TWpjd0wxTlFSVnBmTVVnMVZGOUZUaTV3WkdZfGY2ZGQxOTVhNmE3NmU3YmRiYTc1MWI3OWIwZWQ1NmE1ZTg0ZmVlOTk2MGIzYmRjNzRiZWQ2OWNjNDc3ZDQ3MzA\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-1H5T-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wyMzk1NDJ8YXBwbGljYXRpb24vcGRmfGFHTXhMMmhoWVM4NU1qQTJNekF3TWpFek1qYzRMMU5FUWw4eFNEVlVYMFJGWDBWT0xuQmtaZ3xhNTA5NmI3ZGM3MzJjMzhkMmMzOWZlYjNiMzg2ODA1Y2UwNTUzNDhhOWY3NGEwMjNlOTY1NWJjYTZhZjlhZTg0\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"1 g \/ 1 piece","offer_id":56124421439820,"sku":"1H5T.1","price":42.9,"currency_code":"EUR","in_stock":true},{"title":"1 g \/ 6+ pieces","offer_id":56124421472588,"sku":"1H5T.1","price":42.9,"currency_code":"EUR","in_stock":true},{"title":"1 g \/ 24+ pieces","offer_id":56124421505356,"sku":"1H5T.1","price":42.9,"currency_code":"EUR","in_stock":true},{"title":"5 g \/ 1 piece","offer_id":56124421538124,"sku":"1H5T.2","price":117.2,"currency_code":"EUR","in_stock":true},{"title":"5 g \/ 6+ pieces","offer_id":56124421570892,"sku":"1H5T.2","price":111.34,"currency_code":"EUR","in_stock":true},{"title":"5 g \/ 24+ pieces","offer_id":56124421603660,"sku":"1H5T.2","price":105.48,"currency_code":"EUR","in_stock":true},{"title":"10 g \/ 1 piece","offer_id":56124421636428,"sku":"1H5T.3","price":220.4,"currency_code":"EUR","in_stock":true},{"title":"10 g \/ 6+ pieces","offer_id":56124421669196,"sku":"1H5T.3","price":209.38,"currency_code":"EUR","in_stock":true},{"title":"10 g \/ 24+ pieces","offer_id":56124421701964,"sku":"1H5T.3","price":198.36,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/1H5T-SF-1000Wx1000H_a4638354-7a57-43f1-b7f4-7becd26ccac1.jpg?v=1766402628"},{"product_id":"sudan-i-c-i-12055-1h5y-1h5y","title":"Sudan I (C.I. 12055), extra pure, 25 g, glass","description":"\u003cp\u003eSudan I (C.I. 12055) is an extra pure azo dye reagent supplied for laboratory chemical work, identified by CAS number 842-07-9 and EG nr. 212-668-2. Its empirical formula is C₁₆H₁₂N₂O with a molar mass of 248,28 g\/mol, giving a clearly defined molecular identity for analytical and preparative use. This grade is intended where a well-characterised colourant of known composition is required in research or quality-control settings. The material is Physical handling benefits from the glass container, which supports secure storage and straightforward dispensing in the laboratory. Sudan I (C.I. 12055) from manufacturer Carl ROTH combines documented purity designation with transparent compositional data, supporting reproducible workflows. Laboratories can integrate the reagent into dye-related procedures, staining protocols, or comparative colour chemistry while relying on the stated CAS, EG, and molar-mass values.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/microscopy-stains-and-staining-solutions\"\u003eMicroscopy stains \u0026amp; staining solutions\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAppearance: orange red to brown powder\u003c\/li\u003e\n\u003cli\u003e1. Absorption max. (C2H5OH): 410-425 nm\u003c\/li\u003e\n\u003cli\u003e2. Absorption max. (C2H5OH): 470-485 nm\u003c\/li\u003e\n\u003cli\u003eCAS number: 842-07-9\u003c\/li\u003e\n\u003cli\u003ePack sizes: 25 g, 100 g\u003c\/li\u003e\n\u003cli\u003eEG nr.: 212-668-2\u003c\/li\u003e\n\u003cli\u003eEmpirical formula: C₁₆H₁₂N₂O\u003c\/li\u003e\n\u003cli\u003eMolar mass: 248,28 g\/mol\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-1H5Y-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDEwMjQ2MHxhcHBsaWNhdGlvbi9wZGZ8YURGaUwyZ3hNeTg1TWpVME5UUTVNRGswTkRNd0wxTlFSVnBmTVVnMVdWOUZUaTV3WkdZfDQ3MTEwNTIyYjE3ZWMwNDIwOTliMzIyYmU5NjY1YzY1MmY4YjE5NjM4MGRlN2VjM2NkNTIzYTRlMmE2MDEwMDM\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-1H5Y-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wyNzUwOTV8YXBwbGljYXRpb24vcGRmfGFEVXdMMmhsWWk4NU1qQTJNekF4TWpJNU1EZzJMMU5FUWw4eFNEVlpYMFJGWDBWT0xuQmtaZ3xiMjBlZjc2YzEwNjUzYzdiNmRjNTAxZWU5ZmEzN2U2YWNjNWNjOTA3MWEwMDNkODMxMmUzYWYyZGU1ZDVlY2I0\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"25 g \/ 1 piece","offer_id":56124422062412,"sku":"1H5Y.1","price":26.35,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 6+ pieces","offer_id":56124422095180,"sku":"1H5Y.1","price":25.03,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 24+ pieces","offer_id":56124422127948,"sku":"1H5Y.1","price":23.72,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 1 piece","offer_id":56124422160716,"sku":"1H5Y.2","price":58.6,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 6+ pieces","offer_id":56124422193484,"sku":"1H5Y.2","price":55.67,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 24+ pieces","offer_id":56124422226252,"sku":"1H5Y.2","price":52.74,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/1H5Y-SF-1000Wx1000H.jpg?v=1766402631"},{"product_id":"sudan-blue-ii-c-i-61554-1t4k-1t4k","title":"Sudan Blue II (C.I. 61554), pure, 10 g, glass","description":"\u003cp\u003eSudan Blue II (C.I. 61554) is a pure laboratory dye with CAS number 17354-14-2 and empirical formula C₂₂H₂₆N₂O₂. It has a molar mass of 350,45 g\/mol and a density of 1,213 g\/cm³, This solvent-soluble blue colourant from manufacturer Carl ROTH carries EG number 241-379-4 and supports reproducible preparation of dye solutions, stock standards, and staining baths where the C.I. 61554 identity is specified. Typical laboratory uses include lipophilic phase colouration, thin-layer visualisation, and comparative colour work that relies on a defined pure grade of Sudan Blue II. The compact glass pack suits method development, small-scale staining series, and reference inventory without excess bulk. Stated molar mass and density values aid concentration calculations and formulation of working solutions. Users can integrate the dye into established protocols for solvent-based blue colouration while relying on the listed purity grade and identity data. Standard laboratory handling for solid organic dyes applies throughout use and storage on the bench.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/microscopy-stains-and-staining-solutions\"\u003eMicroscopy stains \u0026amp; staining solutions\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCAS number: 17354-14-2\u003c\/li\u003e\n\u003cli\u003ePack sizes: 10 g, 25 g, 100 g, 250 g, 500 g, 1 kg\u003c\/li\u003e\n\u003cli\u003eEG nr.: 241-379-4\u003c\/li\u003e\n\u003cli\u003ePurity: pure\u003c\/li\u003e\n\u003cli\u003eEmpirical formula: C₂₂H₂₆N₂O₂\u003c\/li\u003e\n\u003cli\u003eMolar mass: 350,45 g\/mol\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-1T4K-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDkzMjAzfGFwcGxpY2F0aW9uL3BkZnxhR1U1TDJoa055ODVNalUwTlRjeE9EQXlOalUwTDFOUVJWcGZNVlEwUzE5RlRpNXdaR1l8NmM1NzFhYzlmZjg3MzVmNGFmNGUwMDJhNjdkZTQ2MmUwMTM1MDljNmIwZjE1ODQ3NzQ1MmQzZTFiOTZkOTliOQ\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-1T4K-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wyNDg2NTR8YXBwbGljYXRpb24vcGRmfGFHSTNMMmd3TUM4NU1qQTJNek0zTWpjek9EZzJMMU5FUWw4eFZEUkxYMFJGWDBWT0xuQmtaZ3xkMTU3M2Q0YWEyNmQxNzg4YjI0OWRmMTI1ZWRiMDAyNTQ0MWJiMGY1MjAzY2M4ZjY5OWU3NzhlNjk5N2FiYjA1\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"10 g \/ 1 piece","offer_id":56125676061004,"sku":"1T4K.1","price":28.95,"currency_code":"EUR","in_stock":true},{"title":"10 g \/ 6+ pieces","offer_id":56125676093772,"sku":"1T4K.1","price":27.5,"currency_code":"EUR","in_stock":true},{"title":"10 g \/ 24+ pieces","offer_id":56125676126540,"sku":"1T4K.1","price":26.06,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 1 piece","offer_id":56125676159308,"sku":"1T4K.2","price":59.05,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 6+ pieces","offer_id":56125676192076,"sku":"1T4K.2","price":56.1,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 24+ pieces","offer_id":56125676224844,"sku":"1T4K.2","price":53.15,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 1 piece","offer_id":56125676257612,"sku":"1T4K.3","price":192.45,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 6+ pieces","offer_id":56125676290380,"sku":"1T4K.3","price":182.83,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 24+ pieces","offer_id":56125676323148,"sku":"1T4K.3","price":173.21,"currency_code":"EUR","in_stock":true},{"title":"250 g \/ 1 piece","offer_id":56125676355916,"sku":"1T4K.4","price":424.65,"currency_code":"EUR","in_stock":true},{"title":"250 g \/ 6+ pieces","offer_id":56125676388684,"sku":"1T4K.4","price":403.42,"currency_code":"EUR","in_stock":true},{"title":"250 g \/ 24+ pieces","offer_id":56125676421452,"sku":"1T4K.4","price":382.19,"currency_code":"EUR","in_stock":true},{"title":"500 g \/ 1 piece","offer_id":56125676454220,"sku":"1T4K.5","price":843.9,"currency_code":"EUR","in_stock":true},{"title":"500 g \/ 6+ pieces","offer_id":56125676486988,"sku":"1T4K.5","price":801.71,"currency_code":"EUR","in_stock":true},{"title":"500 g \/ 24+ pieces","offer_id":56125676519756,"sku":"1T4K.5","price":759.51,"currency_code":"EUR","in_stock":true},{"title":"1 kg \/ 1 piece","offer_id":56125676552524,"sku":"1T4K.6","price":1601.75,"currency_code":"EUR","in_stock":true},{"title":"1 kg \/ 6+ pieces","offer_id":56125676585292,"sku":"1T4K.6","price":1601.75,"currency_code":"EUR","in_stock":true},{"title":"1 kg \/ 24+ pieces","offer_id":56125676618060,"sku":"1T4K.6","price":1601.75,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/1T4K-SF-1000Wx1000H_b157cade-9179-4df5-ad1e-20738ede125e.jpg?v=1766405176"},{"product_id":"sudan-yellow-g-c-i-12700-1t4l-1t4l","title":"Sudan Yellow G (C.I. 12700), pure, 10 g, glass","description":"\u003cp\u003eSudan Yellow G (C.I. 12700) is a pure laboratory dye identified by CAS number 4314-14-1 and the empirical formula C₁₆H₁₄N₄O. With a molar mass of 278,31 g\/mol and a density of 1,289 g\/cm³, This yellow solvent dye from manufacturer Carl ROTH is listed with EG number 224-330-1 and is intended for scientific colouration tasks that call for a defined pure grade under the C.I. 12700 designation. Laboratories employ such dyes for lipophilic staining, preparation of coloured stock solutions, and comparative analytical work where a consistent yellow shade is required. The glass pack size is practical for method setup, small staining series, and controlled inventory of reference dyes. Physical data for molar mass and density support accurate weighing and concentration planning when formulating working solutions. The material integrates readily into protocols that specify Sudan Yellow G as the colourant of choice. Routine laboratory practice for handling solid organic dyes applies during weighing, dissolution, and storage.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/microscopy-stains-and-staining-solutions\"\u003eMicroscopy stains \u0026amp; staining solutions\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCAS number: 4314-14-1\u003c\/li\u003e\n\u003cli\u003ePack sizes: 10 g, 25 g, 100 g\u003c\/li\u003e\n\u003cli\u003eEG nr.: 224-330-1\u003c\/li\u003e\n\u003cli\u003ePurity: pure\u003c\/li\u003e\n\u003cli\u003eEmpirical formula: C₁₆H₁₄N₄O\u003c\/li\u003e\n\u003cli\u003eMolar mass: 278,31 g\/mol\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-1T4L-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDkzNTUyfGFwcGxpY2F0aW9uL3BkZnxhR1JtTDJobE9DODVNalUwTlRjeE16RXhNVE0wTDFOUVJWcGZNVlEwVEY5RlRpNXdaR1l8YTI1Mzk5MjAzYzY2MzU5ODY5ZDA1MmEyZjY4MmFjNzRhNzQwZWJiNzJiNTFjNzcxZmI3MTcyYTIzYmUyZDQyOQ\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-1T4L-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wyNDg4NTV8YXBwbGljYXRpb24vcGRmfGFERTVMMmd3Tmk4NU1qQTJNek0zTkRjd05EazBMMU5FUWw4eFZEUk1YMFJGWDBWT0xuQmtaZ3w5YzQ2YjFmMDVhYjgzZGIyYjU5NjA0MjUwOTAyNzUwN2Q2NTYxZmVlNjBiNWFjMGZiMGQ4NTg3N2NkZTBlZDQ1\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"10 g \/ 1 piece","offer_id":56125676683596,"sku":"1T4L.1","price":23.15,"currency_code":"EUR","in_stock":true},{"title":"10 g \/ 6+ pieces","offer_id":56125676716364,"sku":"1T4L.1","price":21.99,"currency_code":"EUR","in_stock":true},{"title":"10 g \/ 24+ pieces","offer_id":56125676749132,"sku":"1T4L.1","price":20.84,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 1 piece","offer_id":56125676781900,"sku":"1T4L.2","price":47.2,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 6+ pieces","offer_id":56125676814668,"sku":"1T4L.2","price":44.84,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 24+ pieces","offer_id":56125676847436,"sku":"1T4L.2","price":42.48,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 1 piece","offer_id":56125676880204,"sku":"1T4L.3","price":155.9,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 6+ pieces","offer_id":56125676912972,"sku":"1T4L.3","price":148.11,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 24+ pieces","offer_id":56125676945740,"sku":"1T4L.3","price":140.31,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/1T4L-SF-1000Wx1000H_2e4c8c97-c70f-49b0-b069-faffc338a1b9.jpg?v=1766405176"},{"product_id":"hydroxyethyl-cellulose-1t70-1t70","title":"Hydroxyethyl cellulose, 200-450 mPas, powdered, 100 g, plastic","description":"\u003cp\u003eHydroxyethyl cellulose is a powdered cellulose ether supplied for laboratory formulation and materials work, with a viscosity range of 200-450 mPas and CAS number 9004-62-0. The material is provided as a free-flowing powder with a stated density of 1,1 to 1,5 g\/cm³, supporting consistent weighing and dispersion in aqueous systems. In the laboratory it is commonly used as a thickener, rheology modifier or protective colloid in buffer preparations, coating trials, gel systems and other experimental formulations where controlled viscosity build is required. Hydroxyethyl cellulose from manufacturer Carl ROTH offers a defined viscosity window that helps reproduce solution behaviour across successive batches. Handle and store according to standard laboratory practice for powdered polymers, and consult the accompanying safety documentation before first use in new applications or scale-up studies.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/microscopy-stains-and-staining-solutions\"\u003eMicroscopy stains \u0026amp; staining solutions\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSulphated ash: ≤6 %\u003c\/li\u003e\n\u003cli\u003eViscosity (25 °C): 200-450 mPas\u003c\/li\u003e\n\u003cli\u003eMoisture: ≤5 %\u003c\/li\u003e\n\u003cli\u003epH (1 % solution): 5.5-8.0\u003c\/li\u003e\n\u003cli\u003e\u0026lt;0,180 mm: ≥95 %\u003c\/li\u003e\n\u003cli\u003eCAS number: 9004-62-0\u003c\/li\u003e\n\u003cli\u003ePack sizes: 100 g, 250 g, 1 kg\u003c\/li\u003e\n\u003cli\u003eDensity: 1,1 to 1,5 g\/cm³\u003c\/li\u003e\n\u003cli\u003eViscosity: 200-450 mPas\u003c\/li\u003e\n\u003cli\u003eForm: Powdered\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-1T70-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDEwNTY0NHxhcHBsaWNhdGlvbi9wZGZ8YURoaEwyaGxOUzg1TWpVME5UY3hOREE1TkRNNEwxTlFSVnBmTVZRM01GOUZUaTV3WkdZfDBlNTg3OTA4ZTU3M2ZkNzM3YzRkNzdkYjI4MjAzMGQ1MzJhMTUyNjk0Yjg2OTBjMmU3M2U0ZmNkMWYwMmI1NGY\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-1T70-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wyMzg3MTN8YXBwbGljYXRpb24vcGRmfGFERTNMMmd3T1M4NU1qQTJNek0zTlRNMk1ETXdMMU5FUWw4eFZEY3dYMFJGWDBWT0xuQmtaZ3xhMWI5Nzc5MzMwYWJiMDE4NTVhYmVhNTUyNmVhMTc4NGI4ZjQ4MWY3YjA4OWMzMDdiM2M3M2YxNGY3MWU1ODQ1\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"100 g \/ 1 piece","offer_id":56125683433804,"sku":"1T70.1","price":23.15,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 6+ pieces","offer_id":56125683466572,"sku":"1T70.1","price":21.99,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 24+ pieces","offer_id":56125683499340,"sku":"1T70.1","price":20.84,"currency_code":"EUR","in_stock":true},{"title":"250 g \/ 1 piece","offer_id":56125683532108,"sku":"1T70.2","price":41.85,"currency_code":"EUR","in_stock":true},{"title":"250 g \/ 6+ pieces","offer_id":56125683564876,"sku":"1T70.2","price":39.76,"currency_code":"EUR","in_stock":true},{"title":"250 g \/ 24+ pieces","offer_id":56125683597644,"sku":"1T70.2","price":37.67,"currency_code":"EUR","in_stock":true},{"title":"1 kg \/ 1 piece","offer_id":56125683630412,"sku":"1T70.3","price":134.4,"currency_code":"EUR","in_stock":true},{"title":"1 kg \/ 6+ pieces","offer_id":56125683663180,"sku":"1T70.3","price":134.4,"currency_code":"EUR","in_stock":true},{"title":"1 kg \/ 24+ pieces","offer_id":56125683695948,"sku":"1T70.3","price":134.4,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/1T70-1T71-1T72-1000Wx1000H_293a9d7d-7fe9-4485-b6f2-9cddcb2be18a.jpg?v=1766405205"},{"product_id":"methyl-hydroxyethyl-cellulose-1t71-1t71","title":"Methyl hydroxyethyl cellulose, 320-500 mPas, powdered, 250 g, plastic","description":"\u003cp\u003eMethyl hydroxyethyl cellulose is a powdered cellulose derivative intended for laboratory thickening and formulation studies, specified at 320-500 mPas and identified by CAS number 9032-42-2. Supplied as a powder with a density of 1,1 to 1,5 g\/cm³, it disperses into aqueous media to build viscosity and improve suspension stability in experimental systems. Typical laboratory uses include rheology adjustment of buffers and media, preparation of gels and pastes, coating and film-forming trials, and other applications where a methyl hydroxyethyl cellulose grade in this viscosity window is required. The product is Methyl hydroxyethyl cellulose from manufacturer Carl ROTH provides a clearly stated viscosity range to support reproducible solution properties between batches. Follow standard handling precautions for fine organic powders and refer to the safety data sheet for detailed hazard and first-aid information before laboratory use.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/microscopy-stains-and-staining-solutions\"\u003eMicroscopy stains \u0026amp; staining solutions\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eViscosity (20 °C): 320-500 mPas\u003c\/li\u003e\n\u003cli\u003eMoisture: ≤7 %\u003c\/li\u003e\n\u003cli\u003eNaCl: ≤1.5 %\u003c\/li\u003e\n\u003cli\u003e\u0026lt;0,180 mm: ≥90 %\u003c\/li\u003e\n\u003cli\u003e\u0026lt;0,100 mm: ≥25 %\u003c\/li\u003e\n\u003cli\u003eCAS number: 9032-42-2\u003c\/li\u003e\n\u003cli\u003ePack sizes: 250 g, 1 kg\u003c\/li\u003e\n\u003cli\u003eDensity: 1,1 to 1,5 g\/cm³\u003c\/li\u003e\n\u003cli\u003eViscosity: 320-500 mPas\u003c\/li\u003e\n\u003cli\u003eForm: Powdered\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-1T71-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDEwNTMxNnxhcHBsaWNhdGlvbi9wZGZ8YURJd0wyaGxOUzg1TWpVME5UY3hORFF5TWpBMkwxTlFSVnBmTVZRM01WOUZUaTV3WkdZfDRkYTVmYWMzMzRkYjNlYmQwNzlkOWE3M2MzMjFjMDA1YmZkMjUxOTViNmU4OWNjMDZjOTlmYmQ3YzE5MmM4YWQ\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-1T71-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wyNDAyMzl8YXBwbGljYXRpb24vcGRmfGFHWTBMMmcxTmk4NU1qQTVPRFEzTXpneU1EUTJMMU5FUWw4eFZEY3hYMFJGWDBWT0xuQmtaZ3w3OTY5ZWUxNTk3YWI0NmI5YTMzYjA3OGM3ZGEyNmNmMTQ1NzE4MTljODkxMmM1MGI5ZDBiZThlM2ZjMjA2YWJm\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"250 g \/ 1 piece","offer_id":56125683728716,"sku":"1T71.1","price":41.4,"currency_code":"EUR","in_stock":true},{"title":"250 g \/ 6+ pieces","offer_id":56125683761484,"sku":"1T71.1","price":39.33,"currency_code":"EUR","in_stock":true},{"title":"250 g \/ 24+ pieces","offer_id":56125683794252,"sku":"1T71.1","price":37.26,"currency_code":"EUR","in_stock":true},{"title":"1 kg \/ 1 piece","offer_id":56125683827020,"sku":"1T71.2","price":131.7,"currency_code":"EUR","in_stock":true},{"title":"1 kg \/ 6+ pieces","offer_id":56125683859788,"sku":"1T71.2","price":131.7,"currency_code":"EUR","in_stock":true},{"title":"1 kg \/ 24+ pieces","offer_id":56125683892556,"sku":"1T71.2","price":131.7,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/1T70-1T71-1T72-1000Wx1000H.jpg?v=1766405208"},{"product_id":"methyl-hydroxypropyl-cellulose-1t72-1t72","title":"Methyl hydroxypropyl cellulose, 3800-5300 mPas, powdered, 250 g, plastic","description":"\u003cp\u003eMethyl hydroxypropyl cellulose is a high-viscosity powdered cellulose ether for laboratory formulation and materials research, specified at 3800-5300 mPas with CAS number 9004-65-3. The powder has a density of 1,1 to 1,5 g\/cm³ and is suited to preparing thicker aqueous systems, gels and structured liquids where stronger viscosity build is needed. In the lab it is applied as a thickener, binder or film former in coating trials, controlled-release model systems, rheology studies and other experimental preparations that call for a methyl hydroxypropyl cellulose grade in this elevated viscosity range. This variant is Methyl hydroxypropyl cellulose from manufacturer Carl ROTH is characterised by the stated 3800-5300 mPas window to aid batch-to-batch consistency of solution behaviour. Use standard powder-handling practice, avoid dust formation where possible, and consult the safety data sheet prior to first use or transfer into new process conditions.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/microscopy-stains-and-staining-solutions\"\u003eMicroscopy stains \u0026amp; staining solutions\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eViscosity (20 °C): 3800-5300 mPas\u003c\/li\u003e\n\u003cli\u003eMoisture: ≤6 %\u003c\/li\u003e\n\u003cli\u003eNaCl: ≤1.5 %\u003c\/li\u003e\n\u003cli\u003e\u0026lt;0,100 mm: ≥70 %\u003c\/li\u003e\n\u003cli\u003eCAS number: 9004-65-3\u003c\/li\u003e\n\u003cli\u003ePack sizes: 250 g, 1 kg\u003c\/li\u003e\n\u003cli\u003eDensity: 1,1 to 1,5 g\/cm³\u003c\/li\u003e\n\u003cli\u003eViscosity: 3800-5300 mPas\u003c\/li\u003e\n\u003cli\u003eForm: Powdered\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-1T72-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDEwNTMwNnxhcHBsaWNhdGlvbi9wZGZ8YUROaUwyaGtOeTg1TWpVME5UY3hPRFk0TVRrd0wxTlFSVnBmTVZRM01sOUZUaTV3WkdZfGY3OWE5YjRhOTYzMjBmNzJkYjUwZTQwNWQ2ZDhiYWVmYjA1NjVlMGY4MWQwMDFmYjViMzYyMzM1MDhmYjA4MGE\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-1T72-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wyMzg3NTl8YXBwbGljYXRpb24vcGRmfGFHUTJMMmd3WXk4NU1qQTJNek0zTmpZM01UQXlMMU5FUWw4eFZEY3lYMFJGWDBWT0xuQmtaZ3w4ODZmOGUyN2FhODdlNGNjYjBhNDc1ZTAzMjg5NWUwMGU4NzQzNGM3NmI0ZTJmMWQ0MDQyNmE3YzZlNjAyZjY5\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"250 g \/ 1 piece","offer_id":56125683925324,"sku":"1T72.1","price":41.4,"currency_code":"EUR","in_stock":true},{"title":"250 g \/ 6+ pieces","offer_id":56125683958092,"sku":"1T72.1","price":39.33,"currency_code":"EUR","in_stock":true},{"title":"250 g \/ 24+ pieces","offer_id":56125683990860,"sku":"1T72.1","price":37.26,"currency_code":"EUR","in_stock":true},{"title":"1 kg \/ 1 piece","offer_id":56125684023628,"sku":"1T72.2","price":131.7,"currency_code":"EUR","in_stock":true},{"title":"1 kg \/ 6+ pieces","offer_id":56125684056396,"sku":"1T72.2","price":131.7,"currency_code":"EUR","in_stock":true},{"title":"1 kg \/ 24+ pieces","offer_id":56125684089164,"sku":"1T72.2","price":131.7,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/1T70-1T71-1T72-1000Wx1000H_b8abdd47-3244-4f1b-8354-1b37db3d9830.jpg?v=1766405209"},{"product_id":"copper-phthalocyanine-1xp9-1xp9","title":"Copper phthalocyanine, min. 98 %, 5 g, glass","description":"\u003cp\u003eCopper phthalocyanine is an organic pigment and coordination compound offered at a minimum purity of 98 % for laboratory chemical use. It has the empirical formula C₃₂H₁₆CuN₈, a molar mass of 576,07 g\/mol, CAS number 147-14-8 and EG number 205-685-1. The material is Copper phthalocyanine is widely recognised as a stable blue pigment scaffold and is handled as a fine chemical in research and development settings. This grade from manufacturer Carl ROTH gives laboratories a clearly specified minimum assay together with full identity data for documentation and inventory control. The glass presentation protects the solid during storage and dispensing. With defined molecular formula, molar mass and regulatory identifiers, the product integrates readily into chemical catalogues and experimental workflows that require copper phthalocyanine at min. 98 % purity in small laboratory packs.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/fluorescent-dyes-and-labels\"\u003eFluorescent dyes \u0026amp; labels\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAppearance: blue solid\u003c\/li\u003e\n\u003cli\u003eDye content: ≥98 %\u003c\/li\u003e\n\u003cli\u003eCAS number: 147-14-8\u003c\/li\u003e\n\u003cli\u003ePack sizes: 5 g, 25 g\u003c\/li\u003e\n\u003cli\u003eEG nr.: 205-685-1\u003c\/li\u003e\n\u003cli\u003ePurity: min. 98 %\u003c\/li\u003e\n\u003cli\u003eEmpirical formula: C₃₂H₁₆CuN₈\u003c\/li\u003e\n\u003cli\u003eMolar mass: 576,07 g\/mol\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-1XP9-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDEwMzA1MHxhcHBsaWNhdGlvbi9wZGZ8YURJeUwyZ3dZaTg1TWpVME5UY3pOakEwT0RrMEwxTlFSVnBmTVZoUU9WOUZUaTV3WkdZfGI2MjA4ZWU3ZjFkOGRlNmUxNTBmMmNmMWZkMTkzZjViZGJlYjY3NTE0ZGM1ZmFlMmIwMzI0YmFlNmNmOTA4MTc\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-1XP9-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wyNTMwNTV8YXBwbGljYXRpb24vcGRmfGFETmxMMmhqT0M4NU1qTXpOREV5TVRrME16TTBMMU5FUWw4eFdGQTVYMFJGWDBWT0xuQmtaZ3w2MTYyNDU4ZmE2NzA4Njc3ZjZjZjJmZTNiNWE4YjA0MGRhOTAwMTYyOTQ3NWFjZWU1YjAwMDJhYTFiNTlhZWY5\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"5 g \/ 1 piece","offer_id":56125784293708,"sku":"1XP9.1","price":17.75,"currency_code":"EUR","in_stock":true},{"title":"5 g \/ 6+ pieces","offer_id":56125784326476,"sku":"1XP9.1","price":16.86,"currency_code":"EUR","in_stock":true},{"title":"5 g \/ 24+ pieces","offer_id":56125784359244,"sku":"1XP9.1","price":15.98,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 1 piece","offer_id":56125784392012,"sku":"1XP9.2","price":78.4,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 6+ pieces","offer_id":56125784424780,"sku":"1XP9.2","price":74.48,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 24+ pieces","offer_id":56125784457548,"sku":"1XP9.2","price":70.56,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/1XP9-SF-1000Wx1000H_06f9b35d-84f8-457a-8df7-bf33ec72cf42.jpg?v=1766405642"},{"product_id":"ponceau-4r-c-i-16255-1xtx-1xtx","title":"Ponceau 4R (C.I. 16255), extra pure, 10 g, glass","description":"\u003cp\u003ePonceau 4R (C.I. 16255) is an extra pure azo dye reagent for laboratory and analytical use. It is identified by CAS number 2611-82-7 and the empirical formula C₂₀H₁₁N₂O₁₀S₃Na₃, with a molar mass of 604,47 g\/mol and a density of 1,772 g\/cm³. The material is Typical applications include staining protocols, colour marking and dye chemistry work where a defined Colour Index reference is required. Available from manufacturer Carl ROTH and listed under EG number 220-036-2, this extra pure grade suits laboratories that need a reliable source of Ponceau 4R for routine experimental procedures. Documented physicochemical data together with the compact glass packaging make it a practical addition to dye and indicator inventories used across analytical and life-science workflows.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/microscopy-stains-and-staining-solutions\"\u003eMicroscopy stains \u0026amp; staining solutions\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAppearance: red to dark red powder\u003c\/li\u003e\n\u003cli\u003eDye content: ≥80.0 %\u003c\/li\u003e\n\u003cli\u003eCAS number: 2611-82-7\u003c\/li\u003e\n\u003cli\u003ePack sizes: 10 g, 25 g, 100 g\u003c\/li\u003e\n\u003cli\u003eEG nr.: 220-036-2\u003c\/li\u003e\n\u003cli\u003ePurity: extra pure\u003c\/li\u003e\n\u003cli\u003eEmpirical formula: C₂₀H₁₁N₂O₁₀S₃Na₃\u003c\/li\u003e\n\u003cli\u003eMolar mass: 604,47 g\/mol\u003c\/li\u003e\n\u003cli\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-1XTX-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDEwMzAwOHxhcHBsaWNhdGlvbi9wZGZ8YUdOaEwyaGhZUzg1TWpZd05qSTFNREF5TlRJMkwxTlFSVnBmTVZoVVdGOUZUaTV3WkdZfDNlNzlhMzE0ZmQ3ZjIwYzI4MTc3ZmViNzA2MzQzODJmOWJlOTg4NGNmMWZmMjA2M2I1NDQ1N2NkZmRjMmJkNzY\" target=\"_blank\" rel=\"noopener noreferrer\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline-block;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-1XTX-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wyNTI4MTN8YXBwbGljYXRpb24vcGRmfGFETXlMMmhsWXk4NU1qQTJNemMyT1RVMU9UTTBMMU5FUWw4eFdGUllYMFJGWDBWT0xuQmtaZ3xkMmQ0MWMyMzJjNDI5YzU2ZDllOGU5NzlkYzJhOTc0YWUxMjIzZDgzYzk0MDhlNTk0ZWVmMDhkYjkyMWRhOWRl\" target=\"_blank\" rel=\"noopener noreferrer\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline-block;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"10 g \/ 1 piece","offer_id":56125788520780,"sku":"1XTX.1","price":21.4,"currency_code":"EUR","in_stock":true},{"title":"10 g \/ 6+ pieces","offer_id":56125788553548,"sku":"1XTX.1","price":20.33,"currency_code":"EUR","in_stock":true},{"title":"10 g \/ 24+ pieces","offer_id":56125788586316,"sku":"1XTX.1","price":19.26,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 1 piece","offer_id":56125788619084,"sku":"1XTX.2","price":47.85,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 6+ pieces","offer_id":56125788651852,"sku":"1XTX.2","price":45.46,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 24+ pieces","offer_id":56125788684620,"sku":"1XTX.2","price":43.07,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 1 piece","offer_id":56125788717388,"sku":"1XTX.3","price":106.35,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 6+ pieces","offer_id":56125788750156,"sku":"1XTX.3","price":101.03,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 24+ pieces","offer_id":56125788782924,"sku":"1XTX.3","price":95.72,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/1XTX-SF-1000Wx1000H_3d3df15f-a657-48b5-bf29-4ac7dd1a1d3b.jpg?v=1766405657"},{"product_id":"5-6-sulforhodamine-101-peg-sub-3-sub-azide-1y7p-1y7p","title":"5\/6-Sulforhodamine 101-PEG3-Azide, \u003e 90%, 5 mg, plastic","description":"\u003cp\u003e5\/6-Sulforhodamine 101-PEG3-Azide is a fluorescent azide reagent offered at a purity of \u0026gt; 90 %. The compound has the empirical formula C₃₉H₄₆N₆O₉S₂ and a molar mass of 808,95 g\/mol. Supplied as 5 mg in plastic with a net weight of 0,021 kg, it is suited to click-chemistry labeling and conjugation work where a sulforhodamine 101 fluorophore linked via a PEG3 spacer and terminated with an azide is required. The product comes from manufacturer baseclick and supports research applications involving organic chemicals and fluorescent click reagents. Laboratories can use this dye-azide conjugate in bioorthogonal labeling schemes that exploit azide reactivity for selective modification. The 5 mg pack size is practical for assay development and small-scale fluorescent modification experiments. With its defined molecular weight and formula, the material enables consistent preparation of labeled conjugates in chemical and life-science environments. Category listing under chemicals from A to Z reflects its role as a specialty organic building block. Clear purity and molar-mass data assist planning of conjugation stoichiometry and documentation in routine laboratory workflows.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/fluorescent-dyes-and-labels\"\u003eFluorescent dyes \u0026amp; labels\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAppearance: dark red to dark blue solid\u003c\/li\u003e\n\u003cli\u003ePurity (HPLC): ≥90 %\u003c\/li\u003e\n\u003cli\u003ePack size: 5 mg plastic\u003c\/li\u003e\n\u003cli\u003ePurity: \u0026gt; 90 %\u003c\/li\u003e\n\u003cli\u003eEmpirical formula: C₃₉H₄₆N₆O₉S₂\u003c\/li\u003e\n\u003cli\u003eMolar mass: 808,95 g\/mol\u003c\/li\u003e\n\u003cli\u003eProduct type: Fluorescent azide reagent\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-1Y7P-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDE3ODc4NnxhcHBsaWNhdGlvbi9wZGZ8YURZNEwyZzRZaTg1TVRNMU5qVTVNelV5TURrMEwxTlFSVnBmTVZrM1VGOUZUaTV3WkdZfDUzOWE0ZTVlYzgyYjhjMGYzZTc1YzJiMTU0ODY4ZTM1MzNhY2ViMTVhYTJiYjY3MjVlZWZhYWE5YWFiMmIwZDk\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-1Y7P-EN-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wyNDE2NzJ8YXBwbGljYXRpb24vcGRmfGMyVmpkWEpwZEhsRVlYUmhjMmhsWlhSekwyZ3lZaTlvTTJVdk9UQTVNemd6TnpJNU1UVTFNQzV3WkdZfDQ0MmE1NGI0ZmZkMjY4MWEzOWQ3ZmRmNzVlODVkNDg3NzY0MzRiMTgwZGFjYTYyOTU2NjAwZThkMjlmMzgxM2Q\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"baseclick","offers":[{"title":"5 mg \/ 1 piece","offer_id":56127498748236,"sku":"1Y7P.1","price":267.7,"currency_code":"EUR","in_stock":true},{"title":"5 mg \/ 6+ pieces","offer_id":56127498781004,"sku":"1Y7P.1","price":254.32,"currency_code":"EUR","in_stock":true},{"title":"5 mg \/ 24+ pieces","offer_id":56127498813772,"sku":"1Y7P.1","price":240.93,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/1Y7P-SF-1000Wx1000H_743a4e40-7b0a-43b1-9a21-fb007a50c1b9.jpg?v=1766408351"},{"product_id":"tetrahydrofuran-1yhx-1yhx","title":"Tetrahydrofuran, ROTICHROM® GC , 5 ml, glass","description":"\u003cp\u003eTetrahydrofuran is a cyclic ether solvent with CAS number 109-99-9 and empirical formula C₄H₈O, offered in ROTICHROM® GC quality and stabilised with BHT. It has a molar mass of 72,11 g\/mol, a density of 0,883 g\/cm³, a boiling point of 65 °C and a flash point of −21,2 °C, making its volatility and handling characteristics clear for laboratory planning. Packed as 5 ml in glass, the product is convenient for gas-chromatography standards, method checks and small-volume solvent applications in analytical and synthetic settings. Specification data from manufacturer Carl ROTH underpin reliable identification and use. The substance is listed under EG nr. 203-726-8 and UN number 2056. This compact format supports controlled dispensing where a defined tetrahydrofuran reference or process solvent is required without committing to larger containers.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/fluorescent-dyes-and-labels\"\u003eFluorescent dyes \u0026amp; labels\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAssay: ≥99.9 %\u003c\/li\u003e\n\u003cli\u003eIdentity (IR): complies\u003c\/li\u003e\n\u003cli\u003eCAS number: 109-99-9\u003c\/li\u003e\n\u003cli\u003ePack size: 5 ml glass\u003c\/li\u003e\n\u003cli\u003eEG nr.: 203-726-8\u003c\/li\u003e\n\u003cli\u003eEmpirical formula: C₄H₈O\u003c\/li\u003e\n\u003cli\u003eMolar mass: 72,11 g\/mol\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-1YHX-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDEwMzk4NnxhcHBsaWNhdGlvbi9wZGZ8YURCakwyaGpNeTg1TWpVME5UYzJPVFEzTWpNd0wxTlFSVnBmTVZsSVdGOUZUaTV3WkdZfDUzNzE3NDY0MjUxNTFhMzRhODYxY2Q2ODczY2RjYWI2Y2ZkODNhZWQ3MmY5MWM4MThiMDlkMTBlNTQ5MmU2YTU\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-1YHX-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wzMTA4MjZ8YXBwbGljYXRpb24vcGRmfGFESTFMMmcwWlM4NU1qTXpPREExTXpjM05UWTJMMU5FUWw4eFdVaFlYMFJGWDBWT0xuQmtaZ3xkYzE2OWNjYzgzOWU2MjNjYzNmMDEzNzdmZjQyNzliOGYxYjZlYThmMjBjYWEyMTY0MjBkZDNkNWVkYjdlODQx\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"5 ml \/ 1 piece","offer_id":56127513231692,"sku":"1YHX.1","price":99.45,"currency_code":"EUR","in_stock":true},{"title":"5 ml \/ 6+ pieces","offer_id":56127513264460,"sku":"1YHX.1","price":94.48,"currency_code":"EUR","in_stock":true},{"title":"5 ml \/ 24+ pieces","offer_id":56127513297228,"sku":"1YHX.1","price":89.51,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/7344-SF-1000Wx1000H_ec4db4d5-c170-4e81-b9d5-2f6798af6253.jpg?v=1766408424"},{"product_id":"8-anilinonaphthalene-1-sulfonic-acid-20c4-20c4","title":"8-Anilinonaphthalene-1-sulfonic acid, min 95 %, 1 g, plastic","description":"\u003cp\u003e8-Anilinonaphthalene-1-sulfonic acid is an aromatic sulfonic acid dye intermediate offered at a minimum purity of 95 % for biological and analytical laboratory use. The compound has the empirical formula C₁₆H₁₃NO₃S, a molar mass of 299,34 g\/mol, CAS number 82-76-8 and EG number 201-438-7. It is Physical handling is straightforward at the stated pack size, allowing precise weighing for stock solutions or small-scale preparations. This grade is available from manufacturer Carl ROTH and is suitable for research and routine laboratory workflows that specify 8-anilinonaphthalene-1-sulfonic acid at min. 95 %. Use standard chemical hygiene practices when dispensing and storing the solid.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAssay (HPLC): ≥95 %\u003c\/li\u003e\n\u003cli\u003eSolubility (5 % in DMF): clear to turbid, dark green to black solution\u003c\/li\u003e\n\u003cli\u003eCAS number: 82-76-8\u003c\/li\u003e\n\u003cli\u003ePack sizes: 1 g, 5 g, 10 g\u003c\/li\u003e\n\u003cli\u003eEG nr.: 201-438-7\u003c\/li\u003e\n\u003cli\u003ePurity: min. 95 %\u003c\/li\u003e\n\u003cli\u003eEmpirical formula: C₁₆H₁₃NO₃S\u003c\/li\u003e\n\u003cli\u003eMolar mass: 299,34 g\/mol\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-20C4-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDEwMzQ5MnxhcHBsaWNhdGlvbi9wZGZ8YURNMUwyZ3hPUzg1TWpVME5UZ3hNekExTXpjMEwxTlFSVnBmTWpCRE5GOUZUaTV3WkdZfGI4NDc5ZTRiYzhjNGJiOGNiZjBjMzE1NzQ2MDY4NjhlMzQyMThhNjUxYWM4NzA2MDE0MDJmNWJiZjc1MGFiZGE\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-20C4-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wyMzk2NDV8YXBwbGljYXRpb24vcGRmfGFHTXdMMmczWVM4NU1qQTJNemc0TXpJMk5ETXdMMU5FUWw4eU1FTTBYMFJGWDBWT0xuQmtaZ3wzNzRhZmUzYWUwY2RlNzUzNTA2Y2QwMTcwOGYwOTZhMzg2N2IwZmNjZDllNTY2NTdmMjRiZDA2YWRjODM5M2M1\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"1 g \/ 1 piece","offer_id":56127563989324,"sku":"20C4.1","price":23.15,"currency_code":"EUR","in_stock":true},{"title":"1 g \/ 6+ pieces","offer_id":56127564022092,"sku":"20C4.1","price":23.15,"currency_code":"EUR","in_stock":true},{"title":"1 g \/ 24+ pieces","offer_id":56127564054860,"sku":"20C4.1","price":23.15,"currency_code":"EUR","in_stock":true},{"title":"5 g \/ 1 piece","offer_id":56127564087628,"sku":"20C4.2","price":53.25,"currency_code":"EUR","in_stock":true},{"title":"5 g \/ 6+ pieces","offer_id":56127564120396,"sku":"20C4.2","price":50.59,"currency_code":"EUR","in_stock":true},{"title":"5 g \/ 24+ pieces","offer_id":56127564153164,"sku":"20C4.2","price":47.93,"currency_code":"EUR","in_stock":true},{"title":"10 g \/ 1 piece","offer_id":56127564185932,"sku":"20C4.3","price":94.5,"currency_code":"EUR","in_stock":true},{"title":"10 g \/ 6+ pieces","offer_id":56127564218700,"sku":"20C4.3","price":89.78,"currency_code":"EUR","in_stock":true},{"title":"10 g \/ 24+ pieces","offer_id":56127564251468,"sku":"20C4.3","price":85.05,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/1000Wx1000H-20C4-SF_7166e3b3-8461-4026-b3a5-302471ca3a04.jpg?v=1766408643"},{"product_id":"ethidium-bromide-solution-1-2218","title":"Ethidium bromide solution 1 %, 1 % solution in water (10 mg\/ml), 10 ml, glass","description":"\u003cp\u003eEthidium bromide solution 1 % is a ready-to-use aqueous laboratory reagent supplied as a 1 % solution in water (10 mg\/ml) for nucleic-acid gel work. Identified by CAS number 1239-45-8 and EG number 214-984-6, it is intended for life-science electrophoresis and staining of DNA gels. Physical data include a density of 1 g\/cm³ and a boiling point of 100 °C, in line with an aqueous medium. The preparation is Molecular biology and analytical laboratories can incorporate this concentration format into established gel-staining workflows where ethidium bromide is specified. The solution is offered from manufacturer Carl ROTH for routine visualisation of nucleic acids following electrophoretic separation. Clear CAS and EG labelling supports inventory control, hazard communication, and documentation in regulated laboratory environments. Use remains subject to institutional procedures and applicable safety guidance for intercalating dyes.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/fluorescent-dyes-and-labels\"\u003eFluorescent dyes \u0026amp; labels\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCAS number: 1239-45-8\u003c\/li\u003e\n\u003cli\u003ePack sizes: 10 ml, 30 ml, 100 ml, 15 ml\u003c\/li\u003e\n\u003cli\u003eEG nr.: 214-984-6\u003c\/li\u003e\n\u003cli\u003eDensity: 1 g\/cm³\u003c\/li\u003e\n\u003cli\u003eBoiling point: 100 °C\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-2218-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDk1MDkyfGFwcGxpY2F0aW9uL3BkZnxhR0l3TDJnd1l5ODVNalUwTlRnMk9UUXhORGN3TDFOUVJWcGZNakl4T0Y5RlRpNXdaR1l8MDNhYmM2ZTM1M2VlNmEyYTJiOGRjYmZjYjViMDkwMzI5ZDY2ZjBhZWEyNzkzNGQ1MDBmMTVhZDhjNDZhMTc2ZQ\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-2218-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wyNzM5NTN8YXBwbGljYXRpb24vcGRmfGFHWmhMMmhsTnk4NU1qQTJNemszTlRZM01EQTJMMU5FUWw4eU1qRTRYMFJGWDBWT0xuQmtaZ3xhZDJjOTMwNzczNjBhZGNhMjMxYjY1ZDVkZDg4ZGU2MDIyMTAxMDcyNWEyZDVjNWM3ZmM2MmUwODRiNTFhYmMx\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"10 ml \/ 1 piece","offer_id":56127870239052,"sku":"2218.1","price":15.6,"currency_code":"EUR","in_stock":true},{"title":"10 ml \/ 6+ pieces","offer_id":56127870271820,"sku":"2218.1","price":14.82,"currency_code":"EUR","in_stock":true},{"title":"10 ml \/ 24+ pieces","offer_id":56127870304588,"sku":"2218.1","price":14.04,"currency_code":"EUR","in_stock":true},{"title":"15 ml \/ 1 piece","offer_id":56127870337356,"sku":"2218.4","price":45.05,"currency_code":"EUR","in_stock":true},{"title":"15 ml \/ 6+ pieces","offer_id":56127870370124,"sku":"2218.4","price":42.8,"currency_code":"EUR","in_stock":true},{"title":"15 ml \/ 24+ pieces","offer_id":56127870402892,"sku":"2218.4","price":40.55,"currency_code":"EUR","in_stock":true},{"title":"30 ml \/ 1 piece","offer_id":56127870435660,"sku":"2218.2","price":34.95,"currency_code":"EUR","in_stock":true},{"title":"30 ml \/ 6+ pieces","offer_id":56127870468428,"sku":"2218.2","price":33.2,"currency_code":"EUR","in_stock":true},{"title":"30 ml \/ 24+ pieces","offer_id":56127870501196,"sku":"2218.2","price":31.46,"currency_code":"EUR","in_stock":true},{"title":"100 ml \/ 1 piece","offer_id":56127870533964,"sku":"2218.3","price":87.65,"currency_code":"EUR","in_stock":true},{"title":"100 ml \/ 6+ pieces","offer_id":56127870566732,"sku":"2218.3","price":83.27,"currency_code":"EUR","in_stock":true},{"title":"100 ml \/ 24+ pieces","offer_id":56127870599500,"sku":"2218.3","price":78.89,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/1000Wx1000H-2218_0265d0a6-96ff-4c38-9b72-6db0c585f9e8.jpg?v=1766411644"},{"product_id":"5-hydroxymethylfurfural-2295","title":"5-Hydroxymethylfurfural, min. 97 %, for synthesis, 250 mg, glass","description":"\u003cp\u003e5-Hydroxymethylfurfural is an organic compound offered at a minimum purity of 97 % for synthesis. Identified by CAS number 67-47-0 and the empirical formula C₆H₆O₃, it has a molar mass of 126,11 g\/mol and a density of 1,24 g\/cm³. The material shows a flash point of 79 °C and a boiling point of 291,5 °C, giving clear guidance for heating limits and process planning. This synthesis grade supports preparative organic chemistry, intermediate formation, and exploratory reaction screening in research and development laboratories. Available from manufacturer Carl ROTH, 5-hydroxymethylfurfural is a well-known furanic building block employed in pathways linked to biomass-derived chemistry and heterocyclic synthesis. Its documented physical constants help laboratories define solvent choice, temperature windows, and work-up conditions with greater confidence. Chemists working on fine chemicals, carbohydrate-related scaffolds, or furan-based intermediates can integrate this reagent into multi-step sequences and analytical characterisation workflows. The compact glass pack reduces waste while still providing enough material for multiple test reactions and spectroscopic checks.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/fluorescent-dyes-and-labels\"\u003eFluorescent dyes \u0026amp; labels\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAppearance: yellow to amber solid melt\u003c\/li\u003e\n\u003cli\u003eAssay (GC): ≥97 %\u003c\/li\u003e\n\u003cli\u003eCAS number: 67-47-0\u003c\/li\u003e\n\u003cli\u003ePack sizes: 250 mg, 1 g, 5 g\u003c\/li\u003e\n\u003cli\u003eEG nr.: 200-654-9\u003c\/li\u003e\n\u003cli\u003ePurity: min. 97 %\u003c\/li\u003e\n\u003cli\u003eEmpirical formula: C₆H₆O₃\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-2295-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDEwMzAzNnxhcHBsaWNhdGlvbi9wZGZ8YURNeUwyaGlPUzg1TWpVME5UZzVPRFUzT0RJeUwxTlFSVnBmTWpJNU5WOUZUaTV3WkdZfDBiMGNkNjE4NTQwMjQ5N2RkMjJjODE3OTg3MDIxYTM0ZDFlMGVmMzMwN2Y2NWY0ZWNmMmM0NzU1M2YwNTVlMzk\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-2295-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wyNTQ5MDV8YXBwbGljYXRpb24vcGRmfGFEZzVMMmhpTkM4NU1qQTJOREF5TmpFek1qYzRMMU5FUWw4eU1qazFYMFJGWDBWT0xuQmtaZ3w5ZDY5MjYzNGE5NmRkMmExMzQ2ZjlhMDAwODkyNzljYWM1MDdiNTBjOWY4YzcwYzUwNjJkYjFiZGI1Nzg2NWYz\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"250 mg \/ 1 piece","offer_id":56127900778828,"sku":"2295.1","price":23.15,"currency_code":"EUR","in_stock":true},{"title":"250 mg \/ 6+ pieces","offer_id":56127900811596,"sku":"2295.1","price":21.99,"currency_code":"EUR","in_stock":true},{"title":"250 mg \/ 24+ pieces","offer_id":56127900844364,"sku":"2295.1","price":20.84,"currency_code":"EUR","in_stock":true},{"title":"1 g \/ 1 piece","offer_id":56127900877132,"sku":"2295.2","price":44.65,"currency_code":"EUR","in_stock":true},{"title":"1 g \/ 6+ pieces","offer_id":56127900909900,"sku":"2295.2","price":44.65,"currency_code":"EUR","in_stock":true},{"title":"1 g \/ 24+ pieces","offer_id":56127900942668,"sku":"2295.2","price":44.65,"currency_code":"EUR","in_stock":true},{"title":"5 g \/ 1 piece","offer_id":56127900975436,"sku":"2295.3","price":155.9,"currency_code":"EUR","in_stock":true},{"title":"5 g \/ 6+ pieces","offer_id":56127901008204,"sku":"2295.3","price":148.11,"currency_code":"EUR","in_stock":true},{"title":"5 g \/ 24+ pieces","offer_id":56127901040972,"sku":"2295.3","price":140.31,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/2295-SF-1000Wx1000H_47ecf626-a67e-49af-ac68-84a81340cf23.jpg?v=1766411730"},{"product_id":"eosin-y-solution-1-in-ethanol-229c-229c","title":"Eosin Y solution 1 % in ethanol, for microscopy, 500 ml, glass","description":"\u003cp\u003eEosin Y solution 1 % in ethanol is a ready-to-use staining reagent formulated for microscopy applications in histology and cytology. With CAS number 17372-87-1 and EG nr. 241-409-6, the ethanolic solution exhibits a density of 0,87 g\/cm³, a boiling point of 78 °C and a flash point above 22 °C, reflecting its alcohol-based carrier system. The 1 % concentration delivers consistent eosinophilic contrast for cytoplasmic and extracellular matrix components when used in routine H\u0026amp;E-type or counterstain protocols. This preparation from manufacturer Carl ROTH supports reproducible colouration on tissue sections and cell preparations where controlled dye strength and solvent compatibility matter. Suitable for pathology, research and teaching laboratories, the solution integrates easily into established microscopy staining sequences that call for alcoholic eosin Y.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/microscopy-stains-and-staining-solutions\"\u003eMicroscopy stains \u0026amp; staining solutions\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCAS number: 17372-87-1\u003c\/li\u003e\n\u003cli\u003ePack sizes: 500 ml, 1 l\u003c\/li\u003e\n\u003cli\u003eEG nr.: 241-409-6\u003c\/li\u003e\n\u003cli\u003eDensity: 0,87 g\/cm³\u003c\/li\u003e\n\u003cli\u003eConcentration: 1 % in ethanol\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-229C-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDk0NzE3fGFwcGxpY2F0aW9uL3BkZnxhRE13TDJoaVl5ODVNalUwTlRnNU56a3lNamcyTDFOUVJWcGZNakk1UTE5RlRpNXdaR1l8ZWIxZDJkZWQzNzczYjY2OTkyZWMyNmQ5MDU5MDYwNmQ1MzE1MWIwMDgwNTAzMmFiZmE4YjUwMGM5NzM0OWE4Yg\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-229C-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wyOTU4Mjd8YXBwbGljYXRpb24vcGRmfGFERmhMMmhsTmk4NU1qWTFPREk1TkRFeU9EazBMMU5FUWw4eU1qbERYMFJGWDBWT0xuQmtaZ3xjNTQ4Y2Q0NzVhYTNhMDNhZjNjN2ZjOTQxY2M5ODJjOWFlZGUxYWFjODY1NTUyYmRkMWIxMzFkZDMzMmJjNmVl\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"500 ml \/ 1 piece","offer_id":56127901827404,"sku":"229C.1","price":38.6,"currency_code":"EUR","in_stock":true},{"title":"500 ml \/ 6+ pieces","offer_id":56127901860172,"sku":"229C.1","price":36.67,"currency_code":"EUR","in_stock":true},{"title":"500 ml \/ 24+ pieces","offer_id":56127901892940,"sku":"229C.1","price":34.74,"currency_code":"EUR","in_stock":true},{"title":"1 liter \/ 1 piece","offer_id":56127901925708,"sku":"229C.2","price":72.6,"currency_code":"EUR","in_stock":true},{"title":"1 liter \/ 6+ pieces","offer_id":56127901958476,"sku":"229C.2","price":72.6,"currency_code":"EUR","in_stock":true},{"title":"1 liter \/ 24+ pieces","offer_id":56127901991244,"sku":"229C.2","price":72.6,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/Gruppe-HundE-1000Wx1000H_1b1ed0e2-19d7-4a91-a74e-644c87cce469.jpg?v=1766411734"},{"product_id":"azdye-488-azide-plus-259n-259n","title":"AZDye 488 Azide Plus, min. 95 %, 1 mg, plastic","description":"\u003cp\u003eAZDye 488 Azide Plus is a fluorescent dye reagent supplied at a minimum purity of 95 %, with empirical formula C₂₉H₃₀N₁₀O₁₀S₂ and a molar mass of 754,75 g\/mol. The molecule pairs an AZDye 488 fluorophore with an azide handle intended for covalent conjugation to complementary reaction partners in research labeling workflows. Laboratories in chemical biology, fluorescence detection and imaging can incorporate this azide-functional building block when preparing labeled biomolecules or materials. The product is available from manufacturer baseclick and fits protocols that require a defined dye–azide reagent in a compact pack size. Consistent minimum purity supports reproducible conjugate preparation for subsequent analytical or detection steps. Used with standard laboratory handling practice, AZDye 488 Azide Plus provides a clearly specified component for fluorescence-oriented research applications.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/fluorescent-dyes-and-labels\"\u003eFluorescent dyes \u0026amp; labels\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAppearance: orange to red solid\u003c\/li\u003e\n\u003cli\u003ePurity (HPLC): ≥95 %\u003c\/li\u003e\n\u003cli\u003ePack sizes: 1 mg, 5 mg\u003c\/li\u003e\n\u003cli\u003ePurity: min. 95 %\u003c\/li\u003e\n\u003cli\u003eEmpirical formula: C₂₉H₃₀N₁₀O₁₀S₂\u003c\/li\u003e\n\u003cli\u003eMolar mass: 754,75 g\/mol\u003c\/li\u003e\n\u003cli\u003eStorage temperature: -20 °C\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-259N-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDIwMDEzNXxhcHBsaWNhdGlvbi9wZGZ8YUdGaUwyaGxPQzg1TVRZMk5EY3hOemt3TmpJeUwxTlFSVnBmTWpVNVRsOUZUaTV3WkdZfGUyNjQyMWU0M2IzOTQ0ZTUyODE0MzE0NGY0NzcxM2FiMzY4MGE4NjUzZmZkODMxNzUxNDE5Yzc2MzJmNDI0MmY\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-259N-EN-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wzMzQ4MDd8YXBwbGljYXRpb24vcGRmfGFEVXlMMmhoTWk4NU1UTXhOVGMxTXpjM09UVXdMMU5FUWw4eU5UbE9YMFZPWDBWT0xuQmtaZ3w0MTY2ZjZiMWIwYTBhMjgwZjkyYmEwY2Y4Y2FjMGY0ODY5NDQzZGI4YTZmMGUwODY3MmYzMDZhYjFiOTcxMmU3\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"baseclick","offers":[{"title":"1 mg \/ 1 piece","offer_id":56128407077196,"sku":"259N.1","price":284.9,"currency_code":"EUR","in_stock":true},{"title":"1 mg \/ 6+ pieces","offer_id":56128407109964,"sku":"259N.1","price":284.9,"currency_code":"EUR","in_stock":true},{"title":"1 mg \/ 24+ pieces","offer_id":56128407142732,"sku":"259N.1","price":284.9,"currency_code":"EUR","in_stock":true},{"title":"5 mg \/ 1 piece","offer_id":56128407175500,"sku":"259N.2","price":913.75,"currency_code":"EUR","in_stock":true},{"title":"5 mg \/ 6+ pieces","offer_id":56128407208268,"sku":"259N.2","price":868.06,"currency_code":"EUR","in_stock":true},{"title":"5 mg \/ 24+ pieces","offer_id":56128407241036,"sku":"259N.2","price":822.38,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/1000Wx1000H-259N-SF.jpg?v=1766414071"},{"product_id":"azdye-647-azide-plus-259p-259p","title":"AZDye 647 Azide Plus, min. 95 %, 1 mg, plastic","description":"\u003cp\u003eAZDye 647 Azide Plus is a fluorescent dye reagent with a minimum purity of 95 %, empirical formula C₄₆H₆₄N₁₀O₁₃S₄ and a molar mass of 1093,3 g\/mol. It combines an AZDye 647 fluorophore with an azide functionality for covalent attachment to suitably reactive partners in research bioconjugation. Chemical biology, fluorescence imaging and analytical laboratories can employ this dye–azide building block when preparing conjugates for detection-oriented experiments. The product is available from manufacturer baseclick and suits workflows that need a defined far-red class azide reagent in a compact quantity. Minimum purity of 95 % supports consistent preparation of labeled species for downstream measurement or visualization steps. size aids economical use during optimization and pilot conjugations. Applied under ordinary laboratory handling conditions, AZDye 647 Azide Plus supplies a well-documented component for fluorescence-based research and labeling applications.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/fluorescent-dyes-and-labels\"\u003eFluorescent dyes \u0026amp; labels\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAppearance: blue solid\u003c\/li\u003e\n\u003cli\u003ePurity (HPLC): ≥95 %\u003c\/li\u003e\n\u003cli\u003ePack sizes: 1 mg, 5 mg\u003c\/li\u003e\n\u003cli\u003ePurity: min. 95 %\u003c\/li\u003e\n\u003cli\u003eEmpirical formula: C₄₆H₆₄N₁₀O₁₃S₄\u003c\/li\u003e\n\u003cli\u003eMolar mass: 1093,3 g\/mol\u003c\/li\u003e\n\u003cli\u003eStorage temperature: -20 °C\u003c\/li\u003e\n\u003cli\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-259P-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDIwOTgzOHxhcHBsaWNhdGlvbi9wZGZ8YURGaUwyaGtaUzg1TVRZMk5EY3hORFl5T1RReUwxTlFSVnBmTWpVNVVGOUZUaTV3WkdZfGMyNjVkNmQ5M2U5MWJhMTJiMzRlOTIzNjgwZWZjMzU1Y2Y2YzY5YTAzNjc3YWQ4YWZlYjJiYjU5NDkzOGNiZDI\" target=\"_blank\" rel=\"noopener noreferrer\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline-block;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-259P-EN-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3w0MzMzMTZ8YXBwbGljYXRpb24vcGRmfGFEQTRMMmcwTWk4NU1UTXhOelE0TWpZeE9URTRMMU5FUWw4eU5UbFFYMFZPWDBWT0xuQmtaZ3wzYTM1NDkxZjE2ZjI3MTA5ZTJkYjJjOTMwN2MzMWM5ZWJjNzQyMWE1MTgxMjM3OGQ5OTU5YjdjNWU1NTI4YzRm\" target=\"_blank\" rel=\"noopener noreferrer\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline-block;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"baseclick","offers":[{"title":"1 mg \/ 1 piece","offer_id":56128407273804,"sku":"259P.1","price":284.9,"currency_code":"EUR","in_stock":true},{"title":"1 mg \/ 6+ pieces","offer_id":56128407306572,"sku":"259P.1","price":284.9,"currency_code":"EUR","in_stock":true},{"title":"1 mg \/ 24+ pieces","offer_id":56128407339340,"sku":"259P.1","price":284.9,"currency_code":"EUR","in_stock":true},{"title":"5 mg \/ 1 piece","offer_id":56128407372108,"sku":"259P.2","price":913.75,"currency_code":"EUR","in_stock":true},{"title":"5 mg \/ 6+ pieces","offer_id":56128407404876,"sku":"259P.2","price":868.06,"currency_code":"EUR","in_stock":true},{"title":"5 mg \/ 24+ pieces","offer_id":56128407437644,"sku":"259P.2","price":822.38,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/1000Wx1000H-259P-SF.jpg?v=1766414071"},{"product_id":"indigo-carmine-c-i-73015-2700","title":"Indigo carmine (C.I. 73015), min. 80 %, p.a., 25 g, glass","description":"\u003cp\u003eIndigo carmine (C.I. 73015) is an analytical-grade dye supplied at min. 80 %, p.a., for laboratory indicator work. It is identified by CAS number 860-22-0 and EG nr. 212-728-8, with the empirical formula C₁₆H₈N₂Na₂O₈S₂ and a molar mass of 466,36 g\/mol. Physical data include a density of 0,714 g\/cm³ and a flash point above 250 °C. The C.I. 73015 designation links the material to the established indigo carmine colour index entry used in analytical practice. Clear labelling of CAS, EG number, molar mass and formula helps laboratories document reagent identity in methods, SOPs and quality records without ambiguity.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/microscopy-stains-and-staining-solutions\"\u003eMicroscopy stains \u0026amp; staining solutions\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAppearance: dark blue to purple powder\u003c\/li\u003e\n\u003cli\u003eDye content: ≥80 %\u003c\/li\u003e\n\u003cli\u003eLoss on drying: ≤5 %\u003c\/li\u003e\n\u003cli\u003eHeavy metals (as Pb): ≤0,004 %\u003c\/li\u003e\n\u003cli\u003eArsenic (As): ≤0,0008 %\u003c\/li\u003e\n\u003cli\u003eCadmium (Cd): ≤0,0001 %\u003c\/li\u003e\n\u003cli\u003eMercury (Hg): ≤0,0001 %\u003c\/li\u003e\n\u003cli\u003eCAS number: 860-22-0\u003c\/li\u003e\n\u003cli\u003ePack sizes: 25 g, 100 g\u003c\/li\u003e\n\u003cli\u003eEG nr.: 212-728-8\u003c\/li\u003e\n\u003cli\u003ePurity: min. 80 %, p.a.\u003c\/li\u003e\n\u003cli\u003eEmpirical formula: C₁₆H₈N₂Na₂O₈S₂\u003c\/li\u003e\n\u003cli\u003eMolar mass: 466,36 g\/mol\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-2700-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDEwNTE5OHxhcHBsaWNhdGlvbi9wZGZ8YUdVekwyZ3lOaTg1TWpVME5qRXlOell5TmpVMEwxTlFSVnBmTWpjd01GOUZUaTV3WkdZfDAzNTljZGRlZDgwYWQ2ZDgyZjRlMGI2ZjcxMDViOTM0Yjc0OTdlOTFkMzVkNzBmZDZiMTU5ZDFmMGMyNzIwYzE\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-2700-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wyNTYwNTV8YXBwbGljYXRpb24vcGRmfGFEWTJMMmhpT0M4NU1qQTJOalUyTlRNeU5URXdMMU5FUWw4eU56QXdYMFJGWDBWT0xuQmtaZ3xjOTFlZGFiODZlNjFhZjhmODc5ZTY4NTFiNzFlZjQ3NGE3M2Q5ZTdiMjk4MmE5OGViZTUyYTcyMzVjMjVjOGJl\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"25 g \/ 1 piece","offer_id":56130001437004,"sku":"2700.1","price":35.4,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 6+ pieces","offer_id":56130001469772,"sku":"2700.1","price":33.63,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 24+ pieces","offer_id":56130001502540,"sku":"2700.1","price":31.86,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 1 piece","offer_id":56130001535308,"sku":"2700.2","price":94.1,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 6+ pieces","offer_id":56130001568076,"sku":"2700.2","price":89.4,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 24+ pieces","offer_id":56130001600844,"sku":"2700.2","price":84.69,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/2700-SF-1000Wx1000H_3317aa96-7ecb-4745-a252-a98c3e74c38c.jpg?v=1766414674"},{"product_id":"5-hydroxymethylfurfural-273h-273h","title":"5-Hydroxymethylfurfural, min. 95 %, technical, 100 g, glass","description":"\u003cp\u003e5-Hydroxymethylfurfural is a technical-grade heterocyclic building block supplied at min. 95 % purity, with CAS number 67-47-0 and empirical formula C₆H₆O₃. The compound has a molar mass of 126,11 g\/mol, a density of 1,24 g\/cm³, a flash point of 79 °C and a boiling point of 291,5 °C, supporting its use in synthetic and analytical laboratory work where a defined furanic intermediate is required. Available from manufacturer Carl ROTH, the product is listed for general chemical supply and can serve research or process-development routes that employ hydroxymethyl-substituted furans. EG number 200-654-9 assists substance identification in inventories and safety documentation. Users should align reaction planning, solvent choice and thermal handling with the stated physical data and the technical purity level.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/fluorescent-dyes-and-labels\"\u003eFluorescent dyes \u0026amp; labels\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePurity (HPLC): ≥95 %\u003c\/li\u003e\n\u003cli\u003eCAS number: 67-47-0\u003c\/li\u003e\n\u003cli\u003ePack sizes: 100 g, 500 g, 1 kg\u003c\/li\u003e\n\u003cli\u003eEG nr.: 200-654-9\u003c\/li\u003e\n\u003cli\u003ePurity: min. 95 %, technical\u003c\/li\u003e\n\u003cli\u003eEmpirical formula: C₆H₆O₃\u003c\/li\u003e\n\u003cli\u003eMolar mass: 126,11 g\/mol\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-273H-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDEwMjY0NnxhcHBsaWNhdGlvbi9wZGZ8YUdKa0wyZzNOaTg1TWpVNE5USXpOamc0T1Rrd0wxTlFSVnBmTWpjelNGOUZUaTV3WkdZfGIwNjFiM2NjMTYwMGE4YzM4ZmE0NWM1MzQxNDA1YmY3Y2EzNGQ3NmM4OTU5NWVjMmU5ZDk3MGZjZjI3ZDZmZjY\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-273H-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wyNTQ5MjF8YXBwbGljYXRpb24vcGRmfGFEUTJMMmhqTnk4NU1qQTJORFEwTmpJeE9EVTBMMU5FUWw4eU56TklYMFJGWDBWT0xuQmtaZ3w4M2E0ZTE5YTM5ZGE2ZGViN2EyMDUyMDM1MGJiOGM4YjM1M2RjYzRhNjBiZmYxN2VjYTBlMGI0MzE1ZGNiYTI4\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"100 g \/ 1 piece","offer_id":56130014937420,"sku":"273H.1","price":327.9,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 6+ pieces","offer_id":56130014970188,"sku":"273H.1","price":311.51,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 24+ pieces","offer_id":56130015002956,"sku":"273H.1","price":295.11,"currency_code":"EUR","in_stock":true},{"title":"500 g \/ 1 piece","offer_id":56130015035724,"sku":"273H.2","price":1284.65,"currency_code":"EUR","in_stock":true},{"title":"500 g \/ 6+ pieces","offer_id":56130015068492,"sku":"273H.2","price":1220.42,"currency_code":"EUR","in_stock":true},{"title":"500 g \/ 24+ pieces","offer_id":56130015101260,"sku":"273H.2","price":1156.19,"currency_code":"EUR","in_stock":true},{"title":"1 kg \/ 1 piece","offer_id":56130015134028,"sku":"273H.3","price":2252.15,"currency_code":"EUR","in_stock":true},{"title":"1 kg \/ 6+ pieces","offer_id":56130015166796,"sku":"273H.3","price":2252.15,"currency_code":"EUR","in_stock":true},{"title":"1 kg \/ 24+ pieces","offer_id":56130015199564,"sku":"273H.3","price":2252.15,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/2295-SF-1000Wx1000H_4938ae04-cb54-40d6-afa1-ccb4d7bdc4c0.jpg?v=1766414724"},{"product_id":"5-hydroxymethylfurfural-280c-280c","title":"5-Hydroxymethylfurfural, ROTICHROM GC, 100 mg, glass","description":"\u003cp\u003e5-Hydroxymethylfurfural is an organic reference compound supplied as ROTICHROM GC material for chromatographic and analytical use. It has the empirical formula C₆H₆O₃, CAS number 67-47-0 and EG nr. 200-654-9, with a molar mass of 126,11 g\/mol. Listed physical properties include a density of 1,24 g\/cm³, flash point of 79 °C and boiling point of 291,5 °C. The product is packed as 100 mg in glass, a convenient quantity for calibration, identification and method work in the analytical laboratory. This grade from manufacturer Carl ROTH supports GC-oriented applications in which a defined 5-hydroxymethylfurfural standard is required, including studies of process-related organic markers and related intermediates. Clear specification of molar mass, density and thermal data helps analysts set instrument methods and interpret results. The compact glass unit suits laboratories that need reference material without bulk volumes, while remaining practical for repeated qualitative or quantitative checks in gas-chromatographic workflows.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/fluorescent-dyes-and-labels\"\u003eFluorescent dyes \u0026amp; labels\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePurity (GC): ≥95 %\u003c\/li\u003e\n\u003cli\u003eCAS number: 67-47-0\u003c\/li\u003e\n\u003cli\u003ePack size: 100 mg glass\u003c\/li\u003e\n\u003cli\u003eEG nr.: 200-654-9\u003c\/li\u003e\n\u003cli\u003eEmpirical formula: C₆H₆O₃\u003c\/li\u003e\n\u003cli\u003eMolar mass: 126,11 g\/mol\u003c\/li\u003e\n\u003cli\u003eDensity: 1,24 g\/cm³\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-280C-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDEwMjE0NnxhcHBsaWNhdGlvbi9wZGZ8YUdReUwyZ3lZUzg1TWpVME5qSXhNVGcwTURNd0wxTlFSVnBmTWpnd1ExOUZUaTV3WkdZfGExNjcyZTNmZWQ1ZGM1MWI4MjI5NzhhNTg1YTJiNDJjNzAzZGZhZTg3NzhhOTlmMmUwMmEyMjhkN2FhMWQ4N2Q\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-280C-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wyNTQ4MjZ8YXBwbGljYXRpb24vcGRmfGFHUTJMMmd4TXk4NU1qQTJORFUxTURBNU16RXdMMU5FUWw4eU9EQkRYMFJGWDBWT0xuQmtaZ3w3Y2VhZmY0NzhlZmZiMTYwNzM2YTM0YWFmYWU2ZThlM2Q4ZTAzNjI0MGUwNWJhM2Q0ZmVmMDRmNTVhMzhhY2M0\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"100 mg \/ 1 piece","offer_id":56130078933324,"sku":"280C.1","price":118.25,"currency_code":"EUR","in_stock":true},{"title":"100 mg \/ 6+ pieces","offer_id":56130078966092,"sku":"280C.1","price":112.34,"currency_code":"EUR","in_stock":true},{"title":"100 mg \/ 24+ pieces","offer_id":56130078998860,"sku":"280C.1","price":106.43,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/2295-SF-1000Wx1000H_b8baf82b-2442-428b-a7a4-3b517783b8f7.jpg?v=1766414929"},{"product_id":"brilliant-blue-r-c-i-61200-288p-288p","title":"Brilliant blue R (C.I. 61200), 5 g, glass","description":"\u003cp\u003eBrilliant blue R (C.I. 61200) is a laboratory dye supplied for chemical and analytical work where a defined colour index material is required. It is identified by CAS number 2580-78-1, EG number 219-949-9, and the empirical formula C₂₂H₁₆N₂Na₂O₁₁S₃, with a molar mass of 626,54 g\/mol. These identifiers support accurate reagent selection, documentation, and inventory control in research and quality laboratories. The product is Offered by manufacturer Carl ROTH, Brilliant blue R fits catalogues of specialty dyes and indicators used across chemistry and life-science workflows. Handle and store according to the accompanying safety information and your local laboratory rules. The material is listed under UNSPSC 12171509 for procurement classification. Use only within established laboratory procedures and with appropriate personal protective equipment when weighing, dissolving, or disposing of dye solutions in routine experimental practice.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/microscopy-stains-and-staining-solutions\"\u003eMicroscopy stains \u0026amp; staining solutions\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAppearance: dark blue to black powder\u003c\/li\u003e\n\u003cli\u003eCAS number: 2580-78-1\u003c\/li\u003e\n\u003cli\u003ePack sizes: 5 g, 25 g, 100 g\u003c\/li\u003e\n\u003cli\u003eEG nr.: 219-949-9\u003c\/li\u003e\n\u003cli\u003eEmpirical formula: C₂₂H₁₆N₂Na₂O₁₁S₃\u003c\/li\u003e\n\u003cli\u003eMolar mass: 626,54 g\/mol\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-288P-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDEwMDg0MnxhcHBsaWNhdGlvbi9wZGZ8YURabUwyZzRaQzg1TWpVME5qSTBORGt6TlRrNEwxTlFSVnBmTWpnNFVGOUZUaTV3WkdZfDc0N2M2ZDMzOTZjNGVkYTI1YzNjYmYxM2I3NTQ3YmE3ZTAzNzJjOTQzMjE2YjgzNTg3NDU2NThlYjY1NTBkZDQ\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-288P-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wyNDA1MTZ8YXBwbGljYXRpb24vcGRmfGFESXdMMmcyTnk4NU1qQTJORFUyTlRFMk5qTTRMMU5FUWw4eU9EaFFYMFJGWDBWT0xuQmtaZ3xlZDA0YjlmNmY3OWE0N2FhMzI3MjhhYmY4ZjcyNmUzMmMzNjRjMmVhYmZiZDFjMzI4NDVkODZmMmQxYzZiN2M1\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"5 g \/ 1 piece","offer_id":56130153480524,"sku":"288P.1","price":22.05,"currency_code":"EUR","in_stock":true},{"title":"5 g \/ 6+ pieces","offer_id":56130153513292,"sku":"288P.1","price":20.95,"currency_code":"EUR","in_stock":true},{"title":"5 g \/ 24+ pieces","offer_id":56130153546060,"sku":"288P.1","price":19.85,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 1 piece","offer_id":56130153578828,"sku":"288P.2","price":65.5,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 6+ pieces","offer_id":56130153611596,"sku":"288P.2","price":62.23,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 24+ pieces","offer_id":56130153644364,"sku":"288P.2","price":58.95,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 1 piece","offer_id":56130153677132,"sku":"288P.3","price":198.9,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 6+ pieces","offer_id":56130153709900,"sku":"288P.3","price":188.96,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 24+ pieces","offer_id":56130153742668,"sku":"288P.3","price":179.01,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/1000Wx1000H-288P-SF_86dc1e94-ed17-4e2b-ac72-bbcac13aea08.jpg?v=1766415015"},{"product_id":"brilliant-orange-3r-288t-288t","title":"Brilliant Orange 3R, 5 g, glass","description":"\u003cp\u003eBrilliant Orange 3R is a laboratory dye with CAS number 12225-83-1, empirical formula C₂₀H₁₇N₃Na₂O₁₁S₃, and a molar mass of 617,54 g\/mol (EG nr. 235-431-5). The compact glass pack supports clean weighing, storage, and repeated bench-scale use while helping protect the solid from moisture and contamination during routine handling. Physical identity data—CAS, formula, and molar mass—enable straightforward documentation in laboratory notebooks, SOPs, and method development records. This grade is available from manufacturer Carl ROTH for research and industrial laboratories that need a consistent brilliant orange shade for formulation screening, comparative dye studies, or staining-related experiments. Users should apply standard chemical hygiene when dissolving, transferring, or disposing of the material and consult the linked safety documentation before first use.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/microscopy-stains-and-staining-solutions\"\u003eMicroscopy stains \u0026amp; staining solutions\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAppearance: orange to red powder\u003c\/li\u003e\n\u003cli\u003eCAS number: 12225-83-1\u003c\/li\u003e\n\u003cli\u003ePack sizes: 5 g, 25 g, 100 g\u003c\/li\u003e\n\u003cli\u003eEG nr.: 235-431-5\u003c\/li\u003e\n\u003cli\u003eEmpirical formula: C₂₀H₁₇N₃Na₂O₁₁S₃\u003c\/li\u003e\n\u003cli\u003eMolar mass: 617,54 g\/mol\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-288T-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDEwMDI1NnxhcHBsaWNhdGlvbi9wZGZ8YURVMUwyZzVPQzg1TWpVME5qSTBNVE16TVRVd0wxTlFSVnBmTWpnNFZGOUZUaTV3WkdZfGI4ZDZhMzAwMTQxMmZkNTZiNGJiZTMwNmQyZjE4N2U2M2ZhN2ZmODJkOWVjZTlkNzYwZmQ5YTJkZTRlNTA5YjA\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-288T-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wyNDc2NDR8YXBwbGljYXRpb24vcGRmfGFHVXhMMmcyTnk4NU1qQTJORFUyTlRneU1UYzBMMU5FUWw4eU9EaFVYMFJGWDBWT0xuQmtaZ3w3YmI4MGQyOThhMWE5YzEyNGE2ZTRkZTJlOTM0ZjZmOTE2OTVkYTA0NjJjZWRlNzBiMDAzMDQ5OTA1NjlkNTM5\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"5 g \/ 1 piece","offer_id":56130155610444,"sku":"288T.1","price":22.05,"currency_code":"EUR","in_stock":true},{"title":"5 g \/ 6+ pieces","offer_id":56130155643212,"sku":"288T.1","price":20.95,"currency_code":"EUR","in_stock":true},{"title":"5 g \/ 24+ pieces","offer_id":56130155675980,"sku":"288T.1","price":19.85,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 1 piece","offer_id":56130155708748,"sku":"288T.2","price":65.5,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 6+ pieces","offer_id":56130155741516,"sku":"288T.2","price":62.23,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 24+ pieces","offer_id":56130155774284,"sku":"288T.2","price":58.95,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 1 piece","offer_id":56130155807052,"sku":"288T.3","price":198.9,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 6+ pieces","offer_id":56130155839820,"sku":"288T.3","price":188.96,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 24+ pieces","offer_id":56130155872588,"sku":"288T.3","price":179.01,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/1000Wx1000H-288T-SF_53e83ee9-78a3-4136-b87c-9f77702614ad.jpg?v=1766415015"},{"product_id":"brilliant-red-f-sub-3-sub-b-288x-288x","title":"Brilliant Red F3B, 5 g, glass","description":"\u003cp\u003eBrilliant Red F₃B is a synthetic laboratory dye identified by CAS number 98114-32-0, empirical formula C₂₉H₁₉N₃Na₄O₁₇S₅, and a molar mass of 933,76 g\/mol. Documented CAS, formula, and molar-mass values simplify entry into laboratory information systems and safety assessments. Available from manufacturer Carl ROTH, this dye fits research and industrial laboratories that require a consistent brilliant red chromophore for screening, teaching, or process optimisation. Handle according to good laboratory practice when preparing solutions or disposing of residues, and review the safety data sheet prior to use. The compact pack keeps working stocks manageable without excess bulk material.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/microscopy-stains-and-staining-solutions\"\u003eMicroscopy stains \u0026amp; staining solutions\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAppearance: dark red to blackish red powder\u003c\/li\u003e\n\u003cli\u003eSolubility (5 % in MeOH): clear, red\u003c\/li\u003e\n\u003cli\u003eLoss on drying: ≤15 %\u003c\/li\u003e\n\u003cli\u003eCAS number: 98114-32-0\u003c\/li\u003e\n\u003cli\u003ePack sizes: 5 g, 25 g, 100 g\u003c\/li\u003e\n\u003cli\u003eEmpirical formula: C₂₉H₁₉N₃Na₄O₁₇S₅\u003c\/li\u003e\n\u003cli\u003eMolar mass: 933,76 g\/mol\u003c\/li\u003e\n\u003cli\u003eContainer: glass\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-288X-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDEwNDIwOXxhcHBsaWNhdGlvbi9wZGZ8YURZM0wyZzVZaTg1TWpVME5qSTBNRFkzTmpFMEwxTlFSVnBmTWpnNFdGOUZUaTV3WkdZfDQ4ZTRmYWJiMzkzMWViYjBkM2QyZTg2N2Y4NjMyYTI2M2M1ZjhiNTUyMDE0ODYxOWNlY2FhNzRiY2M1MGUyYjU\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-288X-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wyMzk2ODZ8YXBwbGljYXRpb24vcGRmfGFEQTNMMmczTWk4NU1qQTJORFUyT0RjM01EZzJMMU5FUWw4eU9EaFlYMFJGWDBWT0xuQmtaZ3xmODYyZmE1MDMxYzNlZjE1N2Q5OTBhMWVlMjQzY2I5N2Y4MTE5M2E5YTVmZmE5MmYwN2YwMTBiZTQ0Nzk0NWYx\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"5 g \/ 1 piece","offer_id":56130155938124,"sku":"288X.1","price":22.05,"currency_code":"EUR","in_stock":true},{"title":"5 g \/ 6+ pieces","offer_id":56130155970892,"sku":"288X.1","price":20.95,"currency_code":"EUR","in_stock":true},{"title":"5 g \/ 24+ pieces","offer_id":56130156003660,"sku":"288X.1","price":19.85,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 1 piece","offer_id":56130156036428,"sku":"288X.2","price":65.5,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 6+ pieces","offer_id":56130156069196,"sku":"288X.2","price":62.23,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 24+ pieces","offer_id":56130156101964,"sku":"288X.2","price":58.95,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 1 piece","offer_id":56130156134732,"sku":"288X.3","price":198.9,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 6+ pieces","offer_id":56130156167500,"sku":"288X.3","price":188.96,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 24+ pieces","offer_id":56130156200268,"sku":"288X.3","price":179.01,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/1000Wx1000H-288X-SF_8721da60-809b-453d-86a3-fbc94c4adc38.jpg?v=1766415016"},{"product_id":"brilliant-red-5b-288y-288y","title":"Brilliant Red 5B, 5 g, glass","description":"\u003cp\u003eBrilliant Red 5B is a laboratory dye with CAS number 12226-12-9, empirical formula C₁₂H₁₈N₃Na₃O₁₄S₄, molar mass 732,94 g\/mol, and EG nr. 602-413-7. Clear identity data—CAS, empirical formula, molar mass, and EG number—support traceability in notebooks, SOPs, and quality records. The product is available from manufacturer Carl ROTH for research and industrial laboratories seeking a consistent brilliant red colourant for formulation screening or comparative studies. Apply standard laboratory precautions during weighing, dissolution, and waste handling, and consult the safety data sheet before first use. This presentation balances practical working quantity with straightforward bench handling.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/microscopy-stains-and-staining-solutions\"\u003eMicroscopy stains \u0026amp; staining solutions\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAppearance: purple powder\u003c\/li\u003e\n\u003cli\u003eLoss on drying: ≤5 %\u003c\/li\u003e\n\u003cli\u003eCAS number: 12226-12-9\u003c\/li\u003e\n\u003cli\u003ePack sizes: 5 g, 25 g, 100 g\u003c\/li\u003e\n\u003cli\u003eEG nr.: 602-413-7\u003c\/li\u003e\n\u003cli\u003eEmpirical formula: C₁₂H₁₈N₃Na₃O₁₄S₄\u003c\/li\u003e\n\u003cli\u003eMolar mass: 732,94 g\/mol\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-288Y-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDEwMTc4OHxhcHBsaWNhdGlvbi9wZGZ8YURJNUwyaGxOeTg1TWpVME5qSXpPVEF6TnpjMEwxTlFSVnBmTWpnNFdWOUZUaTV3WkdZfDNmZWMxZmVhNGY3MzU4NmVjY2U0YmE1NzE2MDM2NjQwNmRlNDdjOTQ0ZTYyMzYwNWEwZGQyNDRkN2EwYjNkYTk\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-288Y-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wyMzk1Mjl8YXBwbGljYXRpb24vcGRmfGFHRmtMMmczTkM4NU1qQTJORFUyT1RBNU9EVTBMMU5FUWw4eU9EaFpYMFJGWDBWT0xuQmtaZ3wxMTMwZmY0YTJiYjU5YjFiMmU4MDM1YmE3MTM4N2IwZWFmNWMzNjk0YmZmMDRkOWIzMWYwN2ZiY2NkNTM5ZDM1\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"5 g \/ 1 piece","offer_id":56130156888396,"sku":"288Y.1","price":22.05,"currency_code":"EUR","in_stock":true},{"title":"5 g \/ 6+ pieces","offer_id":56130156921164,"sku":"288Y.1","price":20.95,"currency_code":"EUR","in_stock":true},{"title":"5 g \/ 24+ pieces","offer_id":56130156953932,"sku":"288Y.1","price":19.85,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 1 piece","offer_id":56130156986700,"sku":"288Y.2","price":65.5,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 6+ pieces","offer_id":56130157019468,"sku":"288Y.2","price":62.23,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 24+ pieces","offer_id":56130157052236,"sku":"288Y.2","price":58.95,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 1 piece","offer_id":56130157085004,"sku":"288Y.3","price":198.9,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 6+ pieces","offer_id":56130157117772,"sku":"288Y.3","price":188.96,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 24+ pieces","offer_id":56130157150540,"sku":"288Y.3","price":179.01,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/1000Wx1000H-288Y-SF_4bdd83cb-f122-47be-b3ee-607408c401f0.jpg?v=1766415016"},{"product_id":"brilliant-violet-5r-289a-289a","title":"Brilliant Violet 5R, 5 g, glass","description":"\u003cp\u003eBrilliant Violet 5R is a synthetic dye reagent with CAS number 12226-38-9 and empirical formula C₂₀H₁₆N₃Na₃O₁₅S₄. Its molar mass is 735,58 g\/mol, supporting precise formulation work in analytical and preparative laboratory settings. Physical handling benefits from the compact glass pack, which helps protect the solid during storage and dispensing on the bench. This grade is offered from manufacturer Carl ROTH for routine laboratory use within chemical catalogues covering dyes and related specialties. Researchers can integrate Brilliant Violet 5R into method development, comparative dye studies, or teaching demonstrations that call for a characterised violet colourant. The combination of known molecular formula, molar mass, and convenient pack size supports reproducible weighing and solution preparation. Use standard laboratory practice for solids when transferring and dissolving the product.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-nl\/collections\/microscopy-stains-and-staining-solutions\"\u003eMicroscopy stains \u0026amp; staining solutions\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAppearance: dark violet powder\u003c\/li\u003e\n\u003cli\u003eLoss on drying: ≤5 %\u003c\/li\u003e\n\u003cli\u003eCAS number: 12226-38-9\u003c\/li\u003e\n\u003cli\u003ePack sizes: 5 g, 25 g, 100 g\u003c\/li\u003e\n\u003cli\u003eEmpirical formula: C₂₀H₁₆N₃Na₃O₁₅S₄\u003c\/li\u003e\n\u003cli\u003eMolar mass: 735,58 g\/mol\u003c\/li\u003e\n\u003cli\u003eProduct type: Synthetic dye reagent\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-289A-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDEwMjE3MXxhcHBsaWNhdGlvbi9wZGZ8YURkaEwyaGxOaTg1TWpVME5qSXpPVFk1TXpFd0wxTlFSVnBmTWpnNVFWOUZUaTV3WkdZfDI4N2U0N2FlY2RkNWU2ZmU3MmJlNzY4ZjdkNTIwMWU3MGJmN2UxNGRmOGMwMzA4NDA0NmEzYzYyMTliYzFlZjg\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-289A-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wyMzk3MDF8YXBwbGljYXRpb24vcGRmfGFHSXdMMmczTVM4NU1qQTJORFUyT0RRME16RTRMMU5FUWw4eU9EbEJYMFJGWDBWT0xuQmtaZ3w5NmU4OTE4MDcyZjY3ZmIwZmVmY2I0NDJmMDg4YTg3NDMwYTgxMmVlMjkzNTI2MTkwZmQ3MTBkNzNmZjUwY2Jm\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"5 g \/ 1 piece","offer_id":56130166489420,"sku":"289A.1","price":22.05,"currency_code":"EUR","in_stock":true},{"title":"5 g \/ 6+ pieces","offer_id":56130166522188,"sku":"289A.1","price":20.95,"currency_code":"EUR","in_stock":true},{"title":"5 g \/ 24+ pieces","offer_id":56130166554956,"sku":"289A.1","price":19.85,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 1 piece","offer_id":56130166587724,"sku":"289A.2","price":65.5,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 6+ pieces","offer_id":56130166620492,"sku":"289A.2","price":62.23,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 24+ pieces","offer_id":56130166653260,"sku":"289A.2","price":58.95,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 1 piece","offer_id":56130166686028,"sku":"289A.3","price":198.9,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 6+ pieces","offer_id":56130166718796,"sku":"289A.3","price":188.96,"currency_code":"EUR","in_stock":true},{"title":"100 g \/ 24+ pieces","offer_id":56130166751564,"sku":"289A.3","price":179.01,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/1000Wx1000H-289A-SF_e1494675-bb56-4a43-bfba-57ded56d1733.jpg?v=1766415022"}],"url":"https:\/\/www.luminixhealth.com\/en-nl\/collections\/dyes-stains-and-indicators.oembed?page=3","provider":"Luminix Health","version":"1.0","type":"link"}