Is HC Yellow No. 16 vegetarian?
HC Yellow No. 16
Vegetarian
Vegetarian
Vegan
Vegan
HC Yellow No. 16 is a synthetic pyrazole-azo based organic compound used as a direct dye in semi-permanent hair colouring products.
| Also known as | 2-Chloro-4-[(1E)-(1-methyl-1H-pyrazol-5-yl)diazenyl]-phenol, HC Yellow No 16, Phenol, 2-chloro-4-[(1E)-2-(1-methyl-1H-pyrazol-5-yl)diazenyl]- |
|---|---|
| INCI name | HC Yellow No. 16 |
| CAS number | 1184721-10-5 |
| CosIng ID | 91429 |
| Last reviewed | 9 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.
