Description General description Pararosaniline is a cationic triarylmethane dye and one of the components of basic fuchsin.[5] It gives a brilliant red color after dyeing polyacrylonitrile fibers.[1] Application Pararosaniline hydrochloride has been used: • to prepare Schiff reagent[2] • to stain cow endometrial cytology samples[3] • to counterstain Prussian blue sections of mice brains[4] Packaging 25 g in glass bottle Other Notes This is the pure, principal component of mixtures commonly referred to as Basic Fuchsin. Legal Information Magenta is a trademark of Magenta Corp.