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

BRILLIANT GREEN CERTIFIED

Synonyms:				Basic Green 1; C.I. 42040

CAS No:				633-03-4

Chemical Formula:			C27H34N2O4S

Formula Weight:			482.65

Appearance:				Green to green-yellow crystalline powder

Dye content:				95% minimum
(TiCl3 titration)

Loss on drying:			5% maximum

Lamdba max:			625 (428) nm in 50 % ethanol

Absorption Ratio:			Between 0.94 and 1.25
(A Lambda max -15nm +15nm)

Visual Transition Interval:	From pH 0.0 (yellow)
To     pH 2.6 (green)

Effective: 01/03/19