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

p-IODONITROTETRAZOLIUM VIOLET (INT)

Synonyms:				INT; 2-(4-Iodophenyl)-3-(4-nitrophenyl)-5-phenyltetrazolium chloride

Chemical Formula:				C19H13CIIN5O2  

Molecular Weight:				505.70

CAS No.:					146-68-9

Appearance:					Off-white to light yellow crystalline powder

Assay (HPLC):				99.0% minimum
    
Identification (IR):				Conforms to structure

UV-vis (water /250nm)			>34,000

Residue on Ignition:			0.1%

Solubility:					Clear
(4mg/ML, H2O)				(Yellow to Yellow-Green)      

Effective: 03/01/16