FB2026_03 , released September 17, 2026
Chemical: indigo carmine
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General Information
Name
indigo carmine
FlyBase ID
FBch0001543
ChEBI Name
indigo carmine
ChEBI ID
CHEBI:31695
PubChem Name
PubChem ID
Chemical Structure
Chemical structure of indigo carmine
indigo carmine
InChIKey

KHLVKKOJDHCJMG-QDBORUFSSA-L

Definition (ChEBI)

An organic sodium salt resulting from the formal condensation of indigo carmine (acid form) with two equivalents of sodium hydroxide. It is an indicator at pH 11.5-14, changing from blue to yellow.

Roles Classification (ChEBI)
Comment
Synonyms and Secondary IDs (26)
Synonyms
Acid blue 74
(ChEBI, 2019-)
C.I. 73015
(ChEBI, 2019-)
C.I. 75781
(ChEBI, 2019-)
C.I. Acid Blue 74
(ChEBI, 2019-)
C.I. Food Blue 1
(ChEBI, 2019-)
C.I. Food Blue 1, disodium salt
(ChEBI, 2019-)
C.I. Natural Blue 2
(ChEBI, 2019-)
Disodium 3,3'-dioxo-(delta2,2'-biindoline)-5,5'-disulfonate
(ChEBI, 2019-)
Disodium 5,5'-disulfoindigo
(ChEBI, 2019-)
Disodium 5,5'-indigotin disulfonate
(ChEBI, 2019-)
Disodium indigo-5,5-disulfonate
(ChEBI, 2019-)
E 132
(ChEBI, 2019-)
FD and C Blue No. 2
(ChEBI, 2019-)
FD&C Blue No. 2
(ChEBI, 2019-)
Indigo Carmine
(Linton and O'Donnell, 2000)
Indigo carmine
(ChEBI, 2019-)
Indigocarmine
(ChEBI, 2019-)
Indigotin-5,5'-disulfonic acid disodium salt
(ChEBI, 2019-)
Indigotindisulfonate sodium
(ChEBI, 2019-)
Natural blue 2
(ChEBI, 2019-)
Sodium 5,5'-indigotindisulfonate
(ChEBI, 2019-)
Sodium indigo-5,5'-bisulfonate
(ChEBI, 2019-)
Sodium indigotindisulfonate
(ChEBI, 2019-)
disodium (2E)-3-oxo-2-(3-oxo-5-sulfonato-1,3-dihydro-2H-indol-2-ylidene)-2,3-dihydro-1H-indole-5-sulfonate
(ChEBI, 2019-)
indigo carmine
(ChEBI, 2019-)
indigotine
(Merinas-Amo et al., 2019)
Secondary FlyBase IDs
    References (3)