gentian violet and its Impurities

Crystal violet is a triarylmethane dye. It is used as a histological stain and in Gram's method of classifying bacteria. Crystal violet has antibacterial, antifungal, and anthelmintic properties and was formerly important as a topical antiseptic. Reference standards of Gentian Violet API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.