Is Indanthrene Blue RS vegetarian?
Indanthrene Blue RS
Vegetarian
Vegetarian
Vegan
Vegan
Indanthrene Blue RS is a synthetic anthraquinone vat dye used as a blue food colourant, listed as INS 130. It is not currently approved as a food additive in the EU.
| Also known as | 6,15-Dihydroanthrazine-5,9,14,18-tetrone, Indanthrene, Indanthrene Blue, Vat Blue 4 |
|---|---|
| INCI name | Indanthrene Blue RS |
| E number | E130 |
| INS number | 130 |
| CAS number | 81-77-6 |
| EC number | 201-375-5 |
| CI number | CI 69800 |
| CosIng ID | 32789 |
| Last reviewed | 14 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.