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

AZURE C

Synonyms:					3-Amino-7-Methylaminophenothiazin-5-ium
						chloride

CAS No.:					531-57-7

Chemical Formula:				C13H12CIN3S

Formula Weight:				277.78

Appearance:					Blackish-green powder

IR Spectrum:				Conforms to structure

Solubility (0.1 DI water):			Clear blue to blue-violet solution

Assay (UV-vis):				40% minimum

Absorptivity 1%/1cm, at			1290 minimum
Λ max. 612.8
						E(615 = +/-4nm) = 12,000 (minimum)

Loss on drying at				 8% maximum
(110˚ C - 1 Hr.):

Effective: 04/02/14