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

MELDOLA’S BLUE

Synonyms:					Basic Blue 6; C.I. 51175;  Fast Blue 3R;
						8-Dimethylamino-2,3-Benzophenoxazine Hemi(Zinc Chloride) Salt

CAS No:					7057-57-0

Chemical Formula:				C18H15ClN2O*1/2ZnCl2

Formula Weight:				378.93

Description:					Dark green to black powder

Identification (I.R.):				Conforms to structure and standard

Melting Point:					~ 280˚C

Elemental Analysis:				5.5 – 7.8%  Nitrogen

Zinc (as Zn):					6.0 – 8.6%

Chloride  (Cl): 
by Silver Nitrate Titration			14 – 18.7%

Solubility:					Dark blue to dark purple solution
						with some insolubles

Effective: 01/02/2011