SPECIFICATIONS

GENTIAN VIOLET
(C. I. 42555)

Synonyms:					Crystal violet; C.I. 45255; Basic Violet 3

CAS No:					548-62-9

Chemical Formula:				C25H30CIN3

Formula Weight:				407.99

Description:					Dark Green Crystals/Powder

Assay (on anhydrous Basis):		96.0% - 100.5 %

Identification A,B,C:			To pass tests

Water:						<7.5 % 

Residue on Ignition:			<1.5 % 

Alcohol-Insoluble Substances:		1.0 % maximum

Arsenic (As):					0.001 % maximum

Lead (Pb):					0.003 % maximum

Zinc (Zn):					0.050 % maximum

Chromatographic Purity:			To pass test

Effective: 01/14/09