{"product_id":"rose-bengal-b-c-i-45440-3162","title":"Rose Bengal B (C.I. 45440), for microscopy, 5 g, glass","description":"\u003cp\u003eRose Bengal B (C.I. 45440) is a microscopy dye supplied for biological staining applications, with CAS number 632-69-9, EG nr. 211-183-3, and empirical formula C₂₀H₂Cl₄I₄Na₂O₅. The molar mass is 1017,65 g\/mol and the density is 1 g\/cm³, supporting accurate preparation of staining solutions in histology and related laboratory work. Rose Bengal B is widely used where selective staining behaviour is needed for microscopic examination of tissues and cellular structures. Available from manufacturer Carl ROTH, the material is positioned among dyes for biological applications and integrates readily into established staining protocols. Laboratories can use for stock solution preparation, method development, and day-to-day microscopy staining without unnecessary reformulation. Clear identity data—including CAS, EG number, and formula—facilitate documentation, ordering, and quality control in regulated or research microscopy environments.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-fr\/collections\/dehydrated-culture-media\"\u003eDehydrated culture media (agar \u0026amp; broth bases)\u003c\/a\u003e, in \u003ca href=\"\/en-fr\/collections\/culture-media-and-microbiology\"\u003eCulture media \u0026amp; microbiology\u003c\/a\u003e. See also \u003ca href=\"\/en-fr\/collections\/petri-dishes\"\u003ePetri dishes\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMaximum absorption: 540-555 nm\u003c\/li\u003e\n\u003cli\u003eLoss on drying (110 °C): ≤10 %\u003c\/li\u003e\n\u003cli\u003eCAS number: 632-69-9\u003c\/li\u003e\n\u003cli\u003ePack sizes: 50 g, 5 g, 25 g\u003c\/li\u003e\n\u003cli\u003eEG nr.: 211-183-3\u003c\/li\u003e\n\u003cli\u003eEmpirical formula: C₂₀H₂Cl₄I₄Na₂O₅\u003c\/li\u003e\n\u003cli\u003eDensity: 1 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-3162-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDEwMzA5NXxhcHBsaWNhdGlvbi9wZGZ8YURVNEwyaGtaaTg1TWpVME9EQXhNalEwTVRrd0wxTlFSVnBmTXpFMk1sOUZUaTV3WkdZfDIyMDNkMjJkZTk0ZjMxYjRkYmYzZjdlYjcxNTYyNWU2ZmEzNmJjZTMzY2UyMTBlMWUyMmNjZmNlM2ZjNGRlOTY\" 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-3162-DE-EN.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3wyNDA2MzR8YXBwbGljYXRpb24vcGRmfGFHVTBMMmc0T0M4NU1qQTJOalkyTURNMU1qTXdMMU5FUWw4ek1UWXlYMFJGWDBWT0xuQmtaZ3w2MTMyNWYyYjhjM2M4YmM5MTk0MjI5NGRjZTk2NGY3MTU0NzllZjI3OWNiMzhjOTNhYTAxZGMyOWIxNjFiZGQx\" 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":56148780089676,"sku":"3162.2","price":23.15,"currency_code":"EUR","in_stock":true},{"title":"5 g \/ 6+ pieces","offer_id":56148780122444,"sku":"3162.2","price":21.99,"currency_code":"EUR","in_stock":true},{"title":"5 g \/ 24+ pieces","offer_id":56148780155212,"sku":"3162.2","price":20.84,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 1 piece","offer_id":56148780187980,"sku":"3162.3","price":83.35,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 6+ pieces","offer_id":56148780220748,"sku":"3162.3","price":79.18,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 24+ pieces","offer_id":56148780253516,"sku":"3162.3","price":75.02,"currency_code":"EUR","in_stock":true},{"title":"50 g \/ 1 piece","offer_id":56148780286284,"sku":"3162.1","price":166.65,"currency_code":"EUR","in_stock":true},{"title":"50 g \/ 6+ pieces","offer_id":56148780319052,"sku":"3162.1","price":158.32,"currency_code":"EUR","in_stock":true},{"title":"50 g \/ 24+ pieces","offer_id":56148780351820,"sku":"3162.1","price":149.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/3162-SF-1000Wx1000H.jpg?v=1766432904","url":"https:\/\/www.luminixhealth.com\/en-fr\/products\/rose-bengal-b-c-i-45440-3162","provider":"Luminix Health","version":"1.0","type":"link"}