Gentian Violet

Gentian Violet contains not less than 96.0 percent and not more than 100.5 percent of gentian violet (C25H30ClN3), calculated on the anhydrous basis.

Chromatographic Purity: 96-101%
Water: Not more than 7.5%.
Residue on ignition: Not more than 1.5%.
Alcohol-insoluble substances— Not more than 1.0% of insoluble residue remains.
Arsenic— The limit is 0.001%.
Lead—The limit is 0.003%.
Zinc— Not more than 0.05%.