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CHEBI:90120 - indigo carmine(2−)

ChEBI IDCHEBI:90120
ChEBI Nameindigo carmine(2−)
Stars
ASCII Nameindigo carmine(2-)
DefinitionAn organosulfonate oxoanion resulting from the deprotonation of the two sulfo groups of indigo carmine.
Last Modified18 March 2025
SubmitterSteve
DownloadsMolfile
FormulaC16H8N2O8S2
Net Charge-2
Average Mass420.380
Monoisotopic Mass419.97330
SMILESO=C1/C(=C2\Nc3ccc(S(=O)(=O)[O-])cc3C2=O)Nc2ccc(S(=O)(=O)[O-])cc21
InChIInChI=1S/C16H10N2O8S2/c19-15-9-5-7(27(21,22)23)1-3-11(9)17-13(15)14-16(20)10-6-8(28(24,25)26)2-4-12(10)18-14/h1-6,17-18H,(H,21,22,23)(H,24,25,26)/p-2/b14-13+
InChIKeyCFZXDJWFRVEWSR-BUHFOSPRSA-L
ChEBI Ontology
Outgoing Relation(s)
indigo carmine(2−) (CHEBI:90120) is a organosulfonate oxoanion (CHEBI:33554)
indigo carmine(2−) (CHEBI:90120) is conjugate base of indigo carmine (acid form) (CHEBI:90117)
Incoming Relation(s)
indigo carmine (CHEBI:31695) has part indigo carmine(2−) (CHEBI:90120)
indigo carmine (acid form) (CHEBI:90117) is conjugate acid of indigo carmine(2−) (CHEBI:90120)
Synonyms  Source
indigo carmine anionChEBI
indigo carmine dianionChEBI
indigo-5,5'-disulfonateChEBI
Registry NumbersSources
Reaxys:3919954Reaxys