Is Acid Yellow 23 vegetarian?
Acid Yellow 23
FD&C Yellow 5, commonly known as Tartrazine, is a synthetic lemon-yellow azo dye derived from coal tar. It is certified by the FDA for use in food, drugs, and cosmetics and is one of the most widely used yellow food colorants.
| Also known as | Acid Yellow 23, Acid yellow T, FD&C Yellow 5, FD&C Yellow No. 5, Food Yellow 4, Hydrazine yellow, Lemon Yellow, Tartrazine, Trinatrium-5-hydroxy-1-(4-sulfophenyl)-4-((4-sulfophenyl)azo)pyrazol-3-carboxylat, Trisodium 1-(4-sulfonatophenyl)-4-(4-sulfonatophenylazo)-5-pyrazolone-3-carboxylate, Trisodium 5-hydroxy-1-(4-sulphophenyl)-4-((4-sulphophenyl)azo)pyrazole-3-carboxylate, Trisodium 5-hydroxy-1-(4-sulphophenyl)-4-(4-sulphophenylazo)pyrazole-3-carboxylate, Trisodium 5-hydroxy-1-(4-sulphophenyl)-4-(4-sulphophenylazo)pyrazole-3-carboxylate (CI 19140), Yellow 5, Yellow 5 Lake |
|---|---|
| INCI name | Acid Yellow 23 |
| E number | E102 |
| INS number | 102 |
| CAS number | 1934-21-0 |
| EC number | 217-699-5 |
| CI number | CI 19140 |
| CosIng ID | 31637 |
| Last reviewed | 29 May 2026 |
An ingredient is considered vegetarian if it avoids components derived from killing an animal.
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