Fast Yellow AB

Fast Yellow AB
Names
	IUPAC name 2-amino-5-[(E)-(4-sulfophenyl)diazenyl]benzenesulfonic acid
	Other names Fast Yellow ; Acid Yellow; Food Yellow 2 ; C.I. 13015
Identifiers
CAS Number	101-50-8 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:86124;
ChEMBL	ChEMBL2172377;
ChemSpider	54957;
ECHA InfoCard	100.018.448
EC Number	202-947-7;
E number	E105 (colours)
PubChem CID	60996; 75918 Na salt;
CompTox Dashboard (EPA)	DTXSID00889458 ;
	InChI InChI=1S/C12H11N3O6S2/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) Key: DCYBHNIOTZBCFS-UHFFFAOYSA-N;
	SMILES Nc1ccc(cc1OS(O)=O)/N=N/c2ccc(OS(O)=O)cc2;
Properties
Chemical formula	C12H11N3O6S2
Molar mass	357.36 g·mol−1
Hazards
GHS pictograms
GHS Signal word	Warning
GHS hazard statements	H315, H319, H335
GHS precautionary statements	P261, P264, P271, P280, P302+352, P304+340, P305+351+338, P312, P321, P332+313, P337+313, P362, P403+233, P405, P501
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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	Infobox references

Fast Yellow AB is an azo dye. It used to be used as a food dye, designated in Europe by the E number E105. It is now delisted in both Europe and USA and is forbidden if used in foods and drinks, as toxicological data has shown it is harmful. E105 has been implicated in non-atopic asthma.[1]

References

STATEMENT OF HAZARDOUS NATURE. Synonyms: ...Fast Yellow AB... pdf

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[1] STATEMENT OF HAZARDOUS NATURE. Synonyms: ...Fast Yellow AB... pdf