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

PHENOSAFRANIN

Synonyms:					C.I. 50200; 
						3,7-Diamino-5-phenylphenazinium chloride

CAS No.:					81-93-6

Chemical Formula:				C18H15CIN4

Formula Weight:				322.80

Appearance:					Dark Green crystalline powder
         
Melting Point:				>300 °C  

Absorptivity A 1%/ 1cm  			>1000
at Lambda max. 517-521nm:	
(in water)		

Dye content:					>80%

Loss on drying at 110˚ C 			<5% 
(1 hour)

Solubility:					Clear red to reddish orange solution
 (0.1% (water)

Effective Date: 12/30/10