Synonyms:
1H-Indole-5-sulfonic acid, 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-, disodium salt
Acid blue 74
C.I. 73015
C.I. 75781
C.I. Acid Blue 74
C.I. Food Blue 1
C.I. Food Blue 1, disodium salt
C.I. Natural Blue 2
CI 73015
disodium (2E)-3-oxo-2-(3-oxo-5-sulfonato-1,3-dihydro-2H-indol-2-ylidene)-2,3-dihydro-1H-indole-5-sulfonate
Disodium 3,3'-dioxo-(delta2,2'-biindoline)-5,5'-disulfonate
Disodium 5,5'-disulfoindigo
Disodium 5,5'-indigotin disulfonate
Disodium indigo-5,5-disulfonate
E 132
FD and C Blue No. 2
FD&C Blue No. 2
Indigo carmine
Indigo-karmin
Indigotin-5,5'-disulfonic acid disodium salt
Indigotindisulfonate sodium
L-Blau 2
Natural blue 2
Schultz Nr. 1309
Sodium 5,5'-indigotindisulfonate
Sodium indigo-5,5'-bisulfonate
Sodium indigotindisulfonate