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CHEBI:86126 - fast yellow

ChEBI IDCHEBI:86126
ChEBI Namefast yellow
Stars
DefinitionAn organic sodium salt that is 4-aminoazobenzene-3,4'-disulfonic acid in which the protons of both of the sulfo groups have been replaced by sodium ions. It is used as a biological stain. It was formerly used as a food coloring agent (E105), but its use in food or drinks is now forbidden.
Last Modified19 June 2015
SubmitterGareth Owen
DownloadsMolfile
FormulaC12H9N3O6S2.2Na
Net Charge0
Average Mass401.333
Monoisotopic Mass400.97282
SMILESNc1ccc(/N=N/c2ccc(S(=O)(=O)[O-])cc2)cc1S(=O)(=O)[O-].[Na+].[Na+]
InChIInChI=1S/C12H11N3O6S2.2Na/c13-11-6-3-9(7-12(11)23(19,20)21)15-14-8-1-4-10(5-2-8)22(16,17)18;;/h1-7H,13H2,(H,16,17,18)(H,19,20,21);;/q;2*+1/p-2/b15-14+;;
InChIKeyFPVGTPBMTFTMRT-NSKUCRDLSA-L
Roles Classification
Application:
histological dye  A dye used in microscopic or electron microscopic examination of cells and tissues to give contrast and to highlight particular features of interest, such as nuclei and cytoplasm.
ChEBI Ontology
Outgoing Relation(s)
fast yellow (CHEBI:86126) has part 4-aminoazobenzene-3,4'-disulfonate (CHEBI:86125)
fast yellow (CHEBI:86126) has role histological dye (CHEBI:77178)
fast yellow (CHEBI:86126) is a organic sodium salt (CHEBI:38700)
IUPAC Name 
disodium 2-amino-5-[(E)-(4-sulfonatophenyl)diazenyl]benzenesulfonate
Synonyms  Source
Kiton Yellow ExtraChemIDplus
disodium 2-amino-5-((4-sulphonatophenyl)azo)benzenesulphonateChemIDplus
disodium 2-amino-5-((4-sulfophenyl)azo)benzenesulfonateChemIDplus
Yellow FastChemIDplus
fast yellow extraChEBI
Amacid Yellow RGChemIDplus
Registry NumbersSources
CAS:2706-28-7ChemIDplus