Is Acid Orange 6 vegan?
Acid Orange 6
Tropaeolin O (Chrysoine resorcinol) is a synthetic azo dye formerly used as a food additive, banned in Europe in 1977 and in the US in 1988. It is used as an acid-base indicator and as a biological stain. It is produced entirely from synthetic precursors.
| Also known as | 4-(2,4-Dihydroxyphenylazo)benzenesulphonic Acid, 4-(2,4-Dihydroxyphenylazo)benzensulphonic acid, 4-(2,4-Dihydroxyphenylazo)benzolsulfonsäure, Acid Orange 6, Chrysoine Resorcinol, Food Yellow 8, Gold Yellow, Sodium 4-(2,4-dihydroxyphenylazo)benzenesulphonate, Sodium 4-(2,4-dihydroxyphenylazo)benzenesulphonate (CI 14270), Sulpho Orange |
|---|---|
| INCI name | Acid Orange 6 |
| CAS number | 547-57-9 |
| EC number | 208-924-8 |
| CI number | CI 14270 |
| CosIng ID | 32710 |
| Last reviewed | 3 June 2026 |
An ingredient is considered vegan if it contains no animal-derived components at any point in its production.
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