CAS Registry Number

CAS 467-62-9 — Pararosaniline base

Pararosaniline base is a triarylmethane dye primarily used in biological staining—particularly for tissues, microorganisms, and chromatography—as well as in pH indicators and certain analytical chemistry applications. It appears as a dark red to violet powder, soluble in alcohol and acetone. This chemical has a CAS number of 467-62-9, a molecular formula of COH(C6H4NH2)3, and a molecular weight of 305.37 g/mol. Store at ambient conditions, and handle with caution (signal word: Warning). Molekula supplies Pararosaniline base from research to bulk quantities with full documentation and ISO 9001:2015 traceability.