indigotindisulfonate sodium
Also known as FD and C Blue No. 2, FD&C Blue No. 2, E 132, Indigotin-5,5'-disulfonic acid disodium salt, Sodium indigo-5,5'-bisulfonate, Sodium 5,5'-indigotindisulfonate, Sodium indigotindisulfonate, C.I. Acid Blue 74
chemical compound
Chemical data
- Formula
- C16H8N2Na2O8S2
- Molecular weight
- 466.4 g/mol
- IUPAC name
- disodium;(2E)-3-oxo-2-(3-oxo-5-sulfonato-1H-indol-2-ylidene)-1H-indole-5-sulfonate
- SMILES
- C1=CC2=C(C=C1S(=O)(=O)[O-])C(=O)/C(=C\3/C(=O)C4=C(N3)C=CC(=C4)S(=O)(=O)[O-])/N2.[Na+].[Na+]
- InChIKey
- KHLVKKOJDHCJMG-QDBORUFSSA-L
- Polar surface area
- 189 Ų
- H-bond donors
- 2
- H-bond acceptors
- 10
- Formal charge
- 0
via PubChem
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