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

2,3,5-TRIPHENYL-2H-TETRAZOLIUM CHLORIDE

Synonyms:				Red Tetrazolium; TPTZ; TTC

CAS No:				298-96-4

Formula:				C19H15ClN4

F.W.:					334.81

Description:				White to off-white to pale yellow with a tan cast (powder)

Identification (I.R.):		To Conform to Standard

Loss on drying @105 Deg.C	3.0% maximum

Assay	(by HPLC):			> 97.5%  

Melting Point:			235 – 245° C 

Residue on ignition		0.2% maximum

Solubility test:
1) 0.1 g/10 ml of Ethanol		1) Clear and complete
2) 5g/100 ml of water		2) Clear and complete

Sensitivity for reducing:		To pass test
Sugars				

Effective: 07/01/19