Is Basic Red 9 vegan?
Basic Red 9
Pararosaniline is an organic triarylmethane dye with the formula (H2NC6H4)2C=(C6H4NH). It is the free base form of pararosaniline hydrochloride and one of the four components of basic fuchsine. It is a magenta-coloured solid used as a dye in various biological and industrial applications.
| Also known as | Basic fuchsin, Basic Red 9, CI Basic Red 9, Magenta 0, Pararosaniline, Pararosaniline free base |
|---|---|
| INCI name | Basic Red 9 |
| CAS number | 569-61-9 |
| EC number | 209-321-2 |
| CI number | CI 42500 |
| CosIng ID | 29173 |
| Last reviewed | 7 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.
