Is Pararosaniline free base vegan?

Basic Red 9 is also known as Pararosaniline free base.

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.

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