S P E C I F I C A T I O N S

MALACHITE GREEN OXALATE

Synonyms:					Acryl Brilliant Green; Aniline Green; China Green; Fast Green; Victoria Green; Basic Green 4; C.I. 42000

CAS No.:					2437-29-8

Chemical Formula:				C46H50N4*2HC2O4*C2H2O4

Formula Weight:				927.03

Appearance:					Dark green crystalline powder

Assay:						Minimum 90%

pH (10 gr / l water):				2 + 1

Water-Insolubles:				< 2%

Lambda max.:				614(425)nm in water

Solubility 
 0.01% aqueous solution:			Dark green solution

Visual Transition Interval:		From pH 0.0 (yellow)
To     pH 2.0 (green) and
From pH 11.6 (blue-green)
To     pH 14.0 (colorless)

Effective: 01/12/09