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

DIRECT BLUE 71

Synonyms:				Benzo Light Blue FFL; Sirius Light Blue BRR; 1,5-
					Naphthalenedisulfonic Acid; 3-4-4-(6-Amino-1-
					Hydroxy-3-Sulfate); C.I. 34140

CAS No.:					4399-55-7

Chemical Formula:				C40H27N7O13S4

Formula Weight:				1029.88  

Appearance:					Black powder

Lambda max.:				594nm in water

Dye content:					~50%

Effective Date: 01/26/09