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

TARTRAZINE
(C. I. 19140)

Synonyms:					Acid Yellow 23  

CAS No:					1934-21-0

Formula:					C16H9N4O9S2Na3

F.W.:						534.37

Appearance:					Orange powder

Identification:				Conforms to structure and standard

Lambda max:				425 nm (In Water)

Dye content:					> 80.0%

Water-insoluble Matter:			0.20% maximum

Subsidiary Dyes:				1.00% 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

Effective: 12/16/08