Is Acetoin vegetarian?
Acetoin
Acetoin is an organic compound with the formula CH3CH(OH)C(O)CH3, a colorless liquid with a pleasant, buttery odor. It occurs naturally via bacterial fermentation and is also produced synthetically for use as a flavoring agent.
| Also known as | 3-Hydroxy-2-butanone, Acetyl methyl carbinol |
|---|---|
| INCI name | Acetoin |
| CAS number | 513-86-0 |
| EC number | 208-174-1 |
| CosIng ID | 39007 |
| Last reviewed | 9 July 2026 |
An ingredient is considered vegetarian if it avoids components derived from killing an animal.
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