CheckVegan

Is Basic Red 9 vegetarian?

Basic Red 9

Vegetarian Vegetarian
Vegan Vegan

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 vegetarian if it avoids components derived from killing an animal.

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