Indigo carmine

CAS: 860-22-0

Ref. TM-T19755

Product Information

• Name: Indigo carmine
• Synonyms: NSC-8646, NSC8646, NSC 8646, Indigotindisulfonate sodium, Brilliant Indigo, Dinatrium-5,5'-(2-(1,3-dihydro-3-oxo-2H-indazol-2-yliden)-1,2-dihydro-3H-indol-3-on)disulfonat, Indigotin, Indigotine, C.I. Food Blue 1, 1H-Indole-5-sulfonic acid, 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-, disodium salt, C.I. Acid Blue 74, C.I. Acid Blue 74, disodium 5,5-(2-(1,3-dihydro-3-oxo-2H-indazol-2-ylidene)-1,2-dihydro-3H-indol-3-one)disulphonate, 1H-Indole-5-sulfonic acid, 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-, sodium salt (1:2), disodium 5,5-indigodisulphonate, 1H-indole-5-sulfonic acid, 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-, disodium salt, (2E)-, Indigotindisulfonate Sodium [USAN], 5,5-Indigodisulfonic acid, disodium salt, C.I. Food Blue 1, disodium salt, Acid Blue 74, Indigo-5,5-disulphonic acid disodium salt, C.I. 75781, E 132, disodium (2E)-3,3'-dioxo-1,1',3,3'-tetrahydro-2,2'-biindole-5,5'-disulfonate, C.I. Natural Blue 2, [Δ2,2′-Biindoline]-5,5′-disulfonic acid, 3,3′-dioxo-, disodium salt, 1311 Blue

Description

Indigo carmine (NSC-8646) is an indolesulfonic acid. It is used as a dye in renal function testing for the detection of nitrates and chlorates.

• Brand: Targetmol

Chemical properties

• Molecular weight: 466.35
• Formula: C₁₆H₈N₂Na₂O₈S₂
• Purity: 98.72%
• Color/Form: Dark Blue-Violet Powder Having Metallic Luster Of Copper Solid Powder