Is Basic Blue 41 vegan?
Basic Blue 41
Vegan
Vegan
Vegetarian
Vegetarian
Basic Blue 41 is a synthetic cationic methine/benzothiazolium dye used as a colorant in hair dye formulations.
| Also known as | 2-[[4-[ethyl(2-hydroxyethyl)amino]phenyl]azo]-6-methoxy-3-methylbenzothiazolium methyl sulphate, 2-[[4-[ethyl(2-hydroxyethyl)amino]phenyl]azo]-6-methoxy-3-methylbenzothiazolium methyl sulphate (CI 11154) |
|---|---|
| INCI name | Basic Blue 41 |
| CAS number | 12270-13-2 |
| EC number | 235-546-0 |
| CI number | CI 11154 |
| CosIng ID | 32064 |
| Last reviewed | 9 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.
