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

REACTIVE BLUE 2

Synonyms:				Cibacron Blue 3G-A, Procion Blue HB

C.I. No.:				61211

CAS No.:				12236-82-7

Formula:				C29H17CIN7Na3O11S3

Formula Weight:			774.16

Appearance:				Dark blue powder

Identification (IR):			Conforms to standard

Dye Content (HPLC):		94% Minimum

Iron (Fe):				100 ppm Maximum

Heavy metals (as Pb):		10 ppm Maximum

Loss on drying:			4% Maximum
(135˚ C, 1 Hr)

Lambda Max:			600-620nm

Effective: 04/02/15