CRYSTAL VIOLET (gentian violet) 25gm

(Gentian Violet , Methyl Violet 1OB C I Basic Violet 3)  Hexamethyl pararosanaline HCl C25H30CIN3 M.W. 407.99 Assay 96.0 – 100.5% Identification test to pass A, B & C tests Water max 7.5% Residue on ignition max 1.5% Alcohol-insoluble substances max 1.0% Arsenic max 0.001% Lead max 0.003% Zinc passes test Chromatographic purity passes test