Fast Yellow AB
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| Fast Yellow AB | |
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2-amino-5-[(E)-(4-sulfophenyl)diazenyl]- benzenesulfonic acid
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other names
Fast Yellow
Acid Yellow Food Yellow 2 C.I. 13015 |
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| Identifiers | |
| CAS number | 2706-28-7 |
| SMILES |
Nc1ccc(cc1OS(O)=O)/N=N/c2ccc(OS(O)=O)cc2
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| Properties | |
| Molecular formula | C12H11N3O6S2 |
| Molar mass | 357.36 |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) | |
| Infobox references | |
Fast Yellow AB is an azo dye denoted by E number E105. It was used as a food dye. 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.
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