Is Vat Red 1 vegan?
Vat Red 1
Vegan
Vegan
Vegetarian
Vegetarian
Vat Red 1 is a synthetic thioindigo-based vat dye used as a colorant, including in hair dye products. It is manufactured entirely through chemical synthesis.
| Also known as | 6-Chloro-2-(6-chloro-4-methyl-3-oxobenzo[b]thien-2(3H)-ylidene)-4-methylbenzo[b]thiophene-3(2H)-one, Red 30, Red 30 Lake |
|---|---|
| INCI name | Vat Red 1 |
| CAS number | 2379-74-0 |
| EC number | 219-163-6 |
| CI number | CI 73360 |
| CosIng ID | 87701 |
| Last reviewed | 14 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.
