S P E C I F I C A T I ON S

THIAZOLYL BLUE TETRAZOLIUM BROMIDE (MTT)

Synonyms:				3-(4,5-Dimethylthiazol-2-yl)-2,5-Diphenyl-2H-Tetrazolium 	Bromide

Formula				C18H16BrN5S

F.W.					414.33

CAS No.:				298-93-1

Appearance				Yellow to dark yellow crystalline powder

Assay					98.0% minimum

Identification (IR):		 	To conform to standard.

Specific Extinction			E(1%/1cm)=min. 480 (at 243nm in water)

Maximum Absorption
(in water)				239.0 – 247.0 nm

Solubility (5mg/ml, H2O)		Clear to very slightly hazy,
					Yellow to bright yellow solution

Effective: 03/01/20169