Description
Indigo carmine solution is a pharmacopoeia reagent conforming to Reag. Ph. Eur., Chapter 4.1.1 (1045601), supplied as a ready-to-use liquid for analytical laboratories. The compound is registered under CAS number 860-22-0 with empirical formula C₁₆H₈N₂Na₂O₈S₂ and a molar mass of 466,36 g/mol. Density is approximately 1,14 g/cm³ and the boiling point is 100 °C. Offered in a 100 ml plastic pack, the solution is designed for methods that specify indigo carmine according to the European Pharmacopoeia reagents list. It supports identification tests, colour-change procedures and other pharmacopoeial assays in which this reagent is required. Quality-control and research laboratories can apply it directly, avoiding separate preparation from the solid dye. The product comes from manufacturer Carl ROTH and carries EG number 212-728-8 together with UN number 3264. Physical constants such as density and boiling point assist method documentation and safe handling in routine laboratory practice. This Chapter 4.1.1 reagent helps keep pharmacopoeial workflows consistent across batches and sites in regulated analytical environments.
This article is part of Reagents for analysis (Ph. Eur., ASTM, DIN), in Analytical standards & reference materials.
Key features
- CAS number: 860-22-0
- Pack size: 100 ml plastic
- EG nr.: 212-728-8
- Empirical formula: C₁₆H₈N₂Na₂O₈S₂
- Molar mass: 466,36 g/mol
- Technical Information Sheet:
- Safety Data Sheet:
Compliance & Safety Information
DangerHazard Statements (H-Phrases)
Precautionary Statements (P-Phrases)
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Questions about Indigo carmine solution, Reag. Ph. Eur., Chapter 4.1.1, 100 ml
What is this article?
Indigo carmine solution, Reag. Ph. Eur., Chapter 4.1.1, 100 ml is the article on this page. Luminix Health distributes Carl Roth for laboratory use. It sits in Reagents for analysis (Ph. Eur., ASTM, DIN), inside Analytical standards & reference materials, in Lab chemicals.
A reagent for analysis is a chemical whose impurities are limited so they do not become a signal in a titration, a digestion or a photometric method. Pharmacopoeia, ASTM and DIN names point at different limit lists. The grade, not only the identity, is the purchase.
A reference material is the article against which another result is compared. Its value is stated, and the uncertainty of that value is part of the product. An ICP or ion standard is a solution of known concentration. A volumetric standard is for titration. A chromatography standard is the peak you match. The grade names, including pharmacopoeia and ASTM, say which impurities were limited. Identity is checked on PubChem. Names follow IUPAC. Medicinal grades follow the European Pharmacopoeia and USP.
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The category is Analytical standards & reference materials. The sub-category is Reagents for analysis (Ph. Eur., ASTM, DIN). The catalogue is Lab chemicals.
Shelves beside this one are ICP, AAS & ion standards, Chromatography standards (GC, HPLC, pesticides), Reference substances & reagents (other), Volumetric standard solutions (titration), Spectroscopy & physical property standards and Indicators & indicator solutions.
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