Indigo carmine

C16H8N2Na2O8S2CAS 860-22-0466.35 g/mol

Open in Covalent MOL file
O−SOONHHNSO−OOOONa+Na+
AlkeneKetoneSecondary amineSulfonic acid

Properties

Molecular formula
C16H8N2Na2O8S2
Molar mass
466.35 g/mol
Exact mass
465.9517 Da
logP
0.55Crippen estimate
Polar surface area
166.9 Ų
H-bond donors / acceptors
4 / 8
Rotatable bonds
2

Hazards

No GHS classification is on file for this compound. That is not evidence that it is harmless.

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Identifiers

CAS number
860-22-0
SMILES
[O-]S(=O)(=O)c1ccc2NC(=C3Nc4ccc(S([O-])(=O)=O)cc4C3=O)C(=O)c2c1.[Na+].[Na+]
InChI

The InChI we hold for this record describes the parent acid and the metal separately rather than the salt above, so it is not shown here.

Weigh it out

Type any one amount. The others follow from the molar mass.

Names and synonyms

99 names · show all
  • 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
  • Ariavit indigo carmine
  • Food blue no. 2
  • 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
  • Indigo carmine A
  • Indigo carmine AC
  • Indigo carmine BP
  • Indigo carmine conc. FQ
  • Indigo carmine powder
  • Indigo extract
  • Indigo carmine X
  • Indigotine B
  • Indigotine I
  • Indigotine N
  • Indigotine blue LZ
  • Indigotine disodium salt
  • Indigotine extra pure A
  • Indigotine lake
  • Indocarmine F
  • Intense blue
  • Maple indigo carmine
  • Mitsui indigo carmine
  • San-ei Indigo Carmine
  • Sodium 5,5′-indigotindisulfonate
  • Soluble indigo
  • Sumitomo wool blue SBC
  • Usacert blue no. 2
  • FD and C blue no. 2
  • Indigotine IA
  • Sodium 5,5′-indigodisulfonate
  • Disodium 5,5′-indigodisulfonate
  • L Blue Z 5010
  • Disodium 5,5′-indigotin disulfonate
  • Soluble indigo blue
  • Acid blue 74
  • Food blue no. 1
  • FD&C blue no. 2
  • Indigotine carmine
  • Indigotine
  • E 132
  • Indigotin (solubilized)
  • Indigotin
  • 5,5′-Indigodisulfonic acid disodium salt
  • Japan blue 2
  • FD and C Blue 2
  • Usacert FD and C blue no. 2
  • Food blue 2
  • Indigo carmine NB
  • WAS 35
  • Sepisperse dry 1003
  • Indigo carmine 37006
  • Indigo carmine 307019
  • Water blue 177558
  • Water blue 177557
  • FD & C blue no 2-307045
  • Usacert FD & C blue no 2-310118
  • Necol indigo carmine
  • Indigo carmine 36009
  • Neelicol indigo carmine
  • Eurocert indigo carmine 311811
  • FD&C blue no. 2-37006
  • Basovit blue 665E
  • Cogilor blue 511.11
  • Blue 2
  • Japan food blue no. 2
  • Carmine indigo
  • Indigo carmine 85E132
  • Blue no. 2
  • Indigo carmine E 132
  • Disodium 2,2′-biindolylidene-3,3′-dione-5,5′-disulfonate
  • Sepisperse dry blue

Work with Indigo carmine

Predict the NMR spectrum1H and 13C shifts with multiplicities Make a solutionWhat to weigh for any molarity and volume Check drug-likenessLipinski, Veber and lead-likeness Isotope patternExact mass and the mass spectrum pattern

Similar compounds

Disodium anthraquinone-2,7-disulfonate853-67-855 % similar Anthraquinone-2,6-disulfonic acid disodium salt853-68-955 % similar Sodium 2-anthraquinonesulfonate131-08-851 % similar Disodium 2,6-naphthalenedisulfonate1655-45-447 % similar Disodium 2,7-naphthalenedisulfonate1655-35-246 % similar Indigo blue482-89-345 % similar Disodium m-benzenedisulfonate831-59-445 % similar Jing ming3863-80-745 % similar

Tanimoto similarity of circular fingerprints over the whole catalogue.

All similar compounds

Elsewhere

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