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

ALIZARIN YELLOW R

Synonyms:				Mordant Orange 1; Alizarin Yellow R Sodium Salt; 5-(p-Nitrophenylazo)Salicylic Acid Sodium Salt; Sodium p-Nitrobenzeneazosalicylate

C.I. No:				14030

CAS No.:				2243-76-7

Formula:				O2NC6H4N=NC6H3-2-(OH) CO2H

F.W.:					287.23			

Appearance:				Reddish Orange Powder

Solubility:				Clear Yellow Solution
(0.1% IN Ethanol)

Absorptivity In Ethanol:		(A 1%/1cm) max-385nm-1004

Loss on drying:			Max. 3%
(110 deg.C)		

Melting Point:			>300 deg. C

Dye Content:			Min. 75%

Effective: 12/03/2008