Fast Yellow AB

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Fast Yellow AB
Fast Yellow AB.png
CAS number 2706-28-7 YesY
Jmol-3D images Image 1
Molecular formula C12H11N3O6S2
Molar mass 357.36
Except where noted otherwise, 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]