Products – Anmol Chemicals Private Limited

Gentian Violet USP

Gentian Violet is a blue, aniline-derived dye. Gentian Violet (also known as methyl violet 10B or hexamethyl pararosaniline chloride) is a triarylmethane dye used as a histological stain and in Gram’s method of classifying bacteria.


Gentian violet is not used as a textile dye. Instead, it is used to dye paper and as a component of navy blue and black inks for printing, ball-point pens, and ink-jet printers. It is also used to colorize diverse products such as antifreezes, detergents, and leather. Gentian violet has antibacterial, antifungal properties.


Chemical Name: Gentian Violet
Molecular Formula: C25H30CIN3
Molecular Weight: 407.98 g/mol
CAS No: 548-62-9


General Specifications

Test Specification
Characters It occurs as a dark green powder or greenish, glistening pieces having a metallic luster, and having not more than a faint odor

Test (A)

Test (B)

Test (C)


(a) Specified Test.

(b)Specified Test. A deep blue precipitate is formed

(c)Specified Test. A blue color is produced at the zone of contact.

Solubility Soluble in alcohol, in glycerin, and in chloroform; sparingly soluble in water; insoluble in ether
Water determination Not more than 7.5%
Residue on ignition Not more than 1.5%
Alcohol insoluble substances Not more than 1.0%
Arsenic Not more than 10ppm
Lead Not more than 30ppm
Zinc Not more than 0.05%
Organic impurities Not more than 1.0%
Residual solvents Meets the requirements
Assay Not less than 96.0% and not more than 100.5% on the anhydrous basis.


Shelf life, Storage and Packing

It should be stored in a segregated area in a cool and ventilated place away from combustible materials. Keep in a tightly closed container, sealed until ready for use. It is packed in 25kg or 50kg HDPE bags or drums as required.


We Manufacture Bulk Dugs/API, Excipients, pharmaceuticals (IP/BP/USP/NF/PH. EUR./JP), Speciality Chemicals (Pure/AR/ACS), mineral fortifiers (FCC). our manufacturing facility is GLP, GMP (FDA) approved, ISO 9001, ISO 14001, ISO 22000, FSSC 22000, FSSAI, kosher, halal, COPP and WHO-GMP certified.

Good Manufacturing Practice Certified by World Health Organization (WHO-GMP)
Written Confirmation Certification (WC)
Good Manufacturing Practice (EXCiPACT cGMP)
Good Manufacturing Practice (cGMP)
Good Laboratory Practice (GLP)