Índigo-carmim

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

composto químico

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 Å²
H-bond donors: 2
H-bond acceptors: 10
Formal charge: 0

via PubChem

Research

2,037 papers

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Article · Português

Carmim de índigo ou índigo-carmim, ou sal sódico do ácido 5,5'-indigodisulfônico, é um corante e indicador de pH com a fórmula química C16H8N2Na2O8S2.

Abstract from DBpedia / Wikipedia · CC BY-SA