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

ALIZARIN COMPLEXONE DIHYDRATE

Synonyms:					Alizarin-3-methyliminodiacetic acid;
Alizarin Fluorine Blue;  3,4-Dihydroxy-
Anthraquinon-2-yl-methyliminodiacetic 
Acid.

CAS No:					3952-78-1

Formula.:					C19H15NO8*2H2O

F.W.:						421.36

Appearance:					Yellow to orange to orange-brown 
						to brown powder

Lambda Max:				425 - 430nm in methanol

Solubility:					Blue to purple solution
(10 mg/ml in 1M Sodium Hydroxide)

Water (K.F.):					< 9.5%
		
Sulfated Ash:				0.5% maximum

Assay:						97% - 103% (on dry substance)

Effective: 12/03/2008