Is Solvent Orange 1 vegetarian?
Solvent Orange 1
Vegetarian
Vegetarian
Vegan
Vegan
Solvent Orange 1 is a synthetic monoazo dye used as a colorant in cosmetics and other products, chemically identified as 4-(phenylazo)resorcinol.
| Also known as | 4-(Phenylazo)resorcinol |
|---|---|
| INCI name | Solvent Orange 1 |
| CAS number | 2051-85-6 |
| EC number | 218-131-9 |
| CI number | CI 11920 |
| CosIng ID | 38152 |
| Last reviewed | 11 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.