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

1,4-DITHIOTHREITOL  (DTT)

Synonyms:					DTT; Cleland’s Reagent

CAS No.:					3483-12-3

Chemical Formula:				C4H10O2S2

Formula Weight:				154.25

Appearance:					White crystalline powder

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

Assay (by iodine titration):		99% minimum

TLC:						One spot

Oxidized DTT:				< 0.50%

Melting Point:				38 to 44 degrees C

Loss on drying:				< 0.50%

Solubility (10% in H2O):			Clear colorless to very faint yellow solution, 
						free from particles & sediment.

Effective: 05/02/16