Is Indole Acetic Acid vegan?
Indole Acetic Acid
Vegan
Vegan
Vegetarian
Vegetarian
Indole Acetic Acid (IAA) is the most common naturally occurring plant hormone of the auxin class, a colorless solid derived from indole, and it can also be produced synthetically.
| Also known as | 1H-Indole-3-acetic acid, IAA |
|---|---|
| INCI name | Indole Acetic Acid |
| CAS number | 87-51-4 |
| EC number | 201-748-2 |
| CosIng ID | 56714 |
| Last reviewed | 10 July 2026 |
An ingredient is considered vegan if it contains no animal-derived components at any point in its production.
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.