CHEBI:86126 - fast yellow

Main ChEBI Ontology Automatic Xrefs Reactions Pathways Models
ChEBI Name fast yellow
ChEBI ID CHEBI:86126
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sodium salt that is 4-aminoazobenzene-3,4'-disulfonic acid in which the protons of both of the sulfo groups have been replaced by sodium ions.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
Download Molfile XML SDF
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+;;
InChIKey FPVGTPBMTFTMRT-NSKUCRDLSA-L
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.
View more via ChEBI Ontology
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)
IUPAC Name
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