CHEBI:86126 - fast yellow

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ChEBI Name fast yellow
Definition An 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sodium salt that is 4-aminoazobenzene-3,4'-disulfonic acid in which the protons of both of the sulfo groups have been replaced by sodium ions.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.
Stars This entity has been manually annotated by the ChEBI Team.
Supplier Information
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Formula C12H9N3Na2O6S2
Net Charge 0
Average Mass 401.32600
Monoisotopic Mass 400.973
InChI InChI=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+;;
SMILES [Na+].[Na+].Nc1ccc(cc1S([O-])(=O)=O)\N=N\c1ccc(cc1)S([O-])(=O)=O
Roles Classification
Application(s): 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.
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ChEBI Ontology
Outgoing 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)
disodium 2-amino-5-[(E)-(4-sulfonatophenyl)diazenyl]benzenesulfonate
Synonyms Sources
acetyl yellow ChEBI
acid yellow 9 ChEBI
Acid Yellow AT ChemIDplus
Acid Yellow Geigy ChemIDplus
Acilan Yellow Extra ChemIDplus
Amacid Yellow RG ChemIDplus
Aniline Yellow ChemIDplus
C.I. 13015 ChEBI
C.I. Acid Yellow 9 ChemIDplus
C.I. Food Yellow 2 ChemIDplus
Cilefa Yellow R ChemIDplus
disodium 2-amino-5-((4-sulfophenyl)azo)benzenesulfonate ChemIDplus
disodium 2-amino-5-((4-sulphonatophenyl)azo)benzenesulphonate ChemIDplus
disodium 4-aminoazobenzene-3,4'-disulfonate ChemIDplus
E105 ChEBI
Fast Yellow AB ChemIDplus
fast yellow extra ChEBI
fast yellow G ChEBI
Fast Yellow S ChemIDplus
Fast Yellow Y ChemIDplus
Food Yellow 2 ChemIDplus
Golden Yellow Ruaf ChemIDplus
Hexacol Acid Yellow G ChemIDplus
Kiton Yellow Extra ChemIDplus
Lacquer Yellow T ChemIDplus
Wool Yellow G ChemIDplus
Yellow acid ChemIDplus
Yellow Fast ChemIDplus
Registry Number Type Source
2706-28-7 CAS Registry Number ChemIDplus
Last Modified
19 June 2015