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

BISMARCK BROWN R

Synonyms:				Basic Brown 4; C.I. 21010

CAS No.:				5421-66-9

Chemical Formula:			C21H24N8  

Formula Weight:			461.40

Appearance:				Brownish-black powder

Lambda max.:			468nm in 50% ethanol

Solubility:				To pass test

Loss on drying at 60 °C:		1.0% w/w maximum  
      					
Melting Point:			222 °C (dec.)

Effective Date: 02/02/09