CRYSTAL VIOLET AR

Short Name: CRYSTAL VIOLET

Other Names: Basic Violet 3, Gentian Violet, Hexamethylpararosaniline chloride, Methyl Violet 10B

C.I.No.42555 (Confirms USP Specification)Crystal Violet is a component of Gram staining that allows one to recognize the difference between gram-positive and gram-negative bacteria with differential staining.

Chemical Specifications

Appearance : Dark green powder

Assay : 96 – 100.5%

Identification : To pass A, B & C tests

Water (H2O) : Max 7.5%

Residue on ignition : Max 1.5%

Alcohol insoluble matter : Max 1%

Arsenic (As) : Max 0.001%

Lead (Pb) : Max 0.003%

Zinc (Zn) : Passes test

Chromatographic purity (by HPLC) : Passes test

Sensitivity as an indicator : Passes test

UV absorbance Ratio : 0.98 - 1.90