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

ERIOGLAUCINE
(C. I. 42090)

Synonyms:					C.I. 42090

CAS No:					3844-45-9

Chemical Formula:				C37H34N2Na2O9S3

Formula Weight:				792.86

Appearance:					Dark Blue to Purple to Burgundy to Red Granular or Powder

Lambda Max:				625 (406) nm (in Water)

Water-insoluble Matter:			0.20%  maximum

Subsidiary dyes:				6.00%  maximum

Heavy metals  (as Pb) (mg/kg):		40.00  maximum

Arsenic  (mg/kg):				3.00  maximum

Lead  (mg/kg):				10.00  maximum

Mercury  (mg/kg):				1.00  maximum

Cadmium  (mg/kg):				1.00  maximum

Solubility:					Clear to opaque blue to
(1 mg/ml, H2O)				blue-black solution

Effective: 01/16/09