Specification Sheet
Product Name DL-Dithiothreitol,
for electrophoresis, ≥99%
Product Number D9163
Product Brand SIGMA
CAS Number 3483-12-3
Molecular Weight 154.25
Storage Temp 2-8°C
 
TEST SPECIFICATION
APPEARANCE WHITE POWDER
SOLUBILITY CLEAR COLORLESS TO VERY FAINT YELLOW SOLUTION AT 50MG/ML IN WATER
IR SPECTRUM CONSISTENT WITH STRUCTURE
MELTING RANGE 40 TO 44 DEG C
HEAVY METALS <10 PPM
UV ABSORBANCE <0.04 AT 280 NM (0.02M SOLUTION)
PURITY BY IODINE TITRATION NLT 99%
SUITABILITY TEST SUITABLE FOR USE IN A REDUCED PAGE
RECOMMENDED RETEST 4 YEARS
DOCUMENT # D9163/02/11/05/2