CAS Registry Number®
860-22-0
CAS Name
Indigo carmine
Molecular Formula
C16H10N2O8S2.2Na
Other Names and Identifiers
InChI
InChI=1S/C16H10N2O8S2.2Na/c19-15-9-5-7(27(21,22)23)1-3-11(9)17-13(15)14-16(20)10-6-8(28(24,25)26)2-4-12(10)18-14;;/h1-6,17-18H,(H,21,22,23)(H,24,25,26);;
InChIKey
InChIKey=BBHXOPLQIHJZNV-UHFFFAOYSA-N
SMILES
O=C1C(NC=2C1=CC(S(=O)(=O)O)=CC2)=C3C(=O)C=4C(N3)=CC=C(S(=O)(=O)O)C4.[Na]
Canonical SMILES
[Na].O=C1C2=CC(=CC=C2NC1=C3NC4=CC=C(C=C4C3=O)S(=O)(=O)O)S(=O)(=O)O
Other Names for this Substance
- 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)
- [Δ2,2′-Biindoline]-5,5′-disulfonic acid, 3,3′-dioxo-, disodium salt
- C.I. Acid Blue 74
- 1H-Indole-5-sulfonic acid, 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-, disodium salt
- 1311 Blue
- 12070 Blue
- C.I. 73015
- C.I. 75781
- Acid Blue W
- Acid Leather Blue IC
- Airedale Blue IN
- Amacid Brilliant Blue
- Aniline Carmine Powder
- Atul Indigo Carmine
- FD & C Blue 2
- A.F. Blue No. 2
- Bucacid Indigotine B
- Canacert Indigo Carmine
- Carmine Blue
- Cilefa Blue R
- C.I. Food Blue 1
- C.I. Natural Blue 2
- Dolkwal Indigo Carmine
- Edicol Supra Blue X
- Food Blue 1
- Grape Blue A
- HD Indigo Carmine
- HD Indigo Carmine Supra
- Hexacert Blue No. 2
- Hexacol Indigo Carmine Supra
