Certificate Of Analysis
Product Name Potassium L-tartrate,
97%
Product Number 289949
Product Brand ALDRICH
CAS Number 921-53-9
Molecular Formula KO2CCH(OH)CH(OH)CO2K
Molecular Weight 244.28
 
TEST SPECIFICATION LOT 01921DD RESULTS
APPEARANCE WHITE CRYSTALS
INFRARED SPECTRUM CONFORMS TO STRUCTURE.
PROTON NMR SPECTRUM CONFORMS TO STRUCTURE.
TITRATION 99.9% (WITH HCLO4)
OPTICAL ROTATION +25.8 DEGREES (C=1%, H2O)
TITRATION 0.47% H2O (WITH "KARL FISCHER" REAGENT)
SOLUBILITY 5%, H2O; CLEAR COLORLESS SOLUTION
QUALITY CONTROL APRIL 2005