Is Undecylenic Acid vegetarian?
Undecylenic Acid
Undecylenic Acid is an unsaturated fatty acid with the formula CH2=CH(CH2)8CO2H, typically produced by pyrolysis of castor oil (Ricinus communis). It is used in the treatment of fungal skin infections and as a raw material in cosmetics and perfumery.
| Also known as | 10-Undecenoic Acid, Acidum Undecylenicum, Undec-10-Enoic Acid, Undecenoic acid, UNDECYLENIC ACID / POTASSIUM UNDECYLENATE / SODIUM UNDECYLENATE / CALCIUM UNDECYLENATE / MEA-UNDECYLENATE / TEA-UNDECYLENATE |
|---|---|
| INCI name | Undecylenic Acid |
| CAS number | 112-38-9 |
| EC number | 203-965-8 |
| CosIng ID | 38829 |
| Last reviewed | 4 July 2026 |
An ingredient is considered vegetarian if it avoids components derived from killing an animal.
Classifications are made to the best of our knowledge based on available scientific and regulatory sources. We cannot guarantee the accuracy of every entry, errors in the sources we draw from can always occur. This tool also cannot account for cross-contamination, which depends entirely on individual suppliers and producers. If you believe a classification is incorrect, you can report an issue.
