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	2706-28-7 ;
3D model (JSmol)	Interactive image;
ECHA InfoCard	100.018.448
E number	E105 (colours)
	SMILES Nc1ccc(cc1OS(O)=O)/N=N/c2ccc(OS(O)=O)cc2;
Properties
Chemical formula	C12H11N3O6S2
Molar mass	357.36
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
	verify (what is ?)
	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

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	2706-28-7^Y
3D model (JSmol)	Interactive image
ECHA InfoCard	100.018.448
E number	E105 (colours)
SMILES Nc1ccc(cc1OS(O)=O)/N=N/c2ccc(OS(O)=O)cc2
Properties
Chemical formula	C₁₂H₁₁N₃O₆S₂
Molar mass	357.36
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Y verify (what is ^YN ?)
Infobox references