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

METHYLENE BLUE CERTIFIED

Synonyms:					Basic Blue 9; C.I. 52015

CAS No:					7220-79-3

Chemical Formula:				C16H18CIN3S * 3H2O

Formula Weight:				373.90

Appearance:					Dark greenish crystalline powder

Identification:				To pass test

Assay (as is bases):				> 82%

Lambda max.:				663-667nm in water, Ratio 1.21-1.7

Material to be certified by the Biological Stains Commission

Solubility:					Soluble in water, ethanol, methyl
Cellosolve and ethylene glycol.

Effective: 01/09/16