Indigo Carmine

Overview
Catalog #	bs-76467c-25mg
Product Name	Indigo Carmine
Specifications
Storage Buffer	Powder
Storage Condition	Stable for 2 years after receipt when stored at +20°C.
Target
Product Information	CAS Number: 860-22-0 Molecular formula: C16H8N2Na2O8S2 Molecular weight: 466.35 Purity: >95% (UV/Vis) Appearance: Dark blue powder. Solubility: Soluble in water. Slightly soluble in ethanol. Insoluble in benzene or chloroform. InChiKey: KHLVKKOJDHCJMG-QDBORUFSSA-L SMILES: O=C(C(C=C(S(=O)([O-])=O)C=C1)=C1N/2)C2=C3C(C(C=C(S(=O)([O-])=O)C=C4)=C4N\3)=O.[Na+].[Na+] SMILES: [Na+].[Na+].[O-]S(=O)(=O)C1=CC=C2NC(C(=O)C2=C1)=C1NC2=CC=C(C=C2C1=O)S([O-])(=O)=O
Description	Indigo carmine is a blue, anionic indigoid dye consisting of an indigo dimer with sodium salts of sulfonic acids at positions 5 and 5'. This compound has been used as a tissue stain, pH indicator (Blue (at pH11.5) to yellow (at pH14.0)) and tool for the determination of hypochlorite in solutions. It is also applied in detecting microorganisms, treating amyloidosis, in medical devices and drug delivery systems. It can be used as a contrast stain for plasma when red nuclear stains are used. It is widely used in food and cosmetic industry (beverages, chewing gums, candies, drinks, frozen products, sweetener, tablets, sunscreen, skin and hair products) and as an additive or as a dye for cationic cotton fabrics, filters, display devices, inks, toners, paints, photographic material and toys. Spectral Data: Absorption lambdamax 608nm.