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

SIRIUS RED (DIRECT RED 80)

Synonyms				C.I. 35780

CAS No.				2610-10-8

Chemical Formula			C45H32N10O21S6

Formula Weight			1373.09

Description				Red to purple to dark brown powder

Identification			Conforms to structure and standard

Dye content				20 - 25%

Lambda max.			528nm

Solubility				Soluble in water; very slightly soluble in ethanol; insoluble in xylene

Effective Date: 12/16/08