Certificate Of Analysis
Product Name β-Propiolactone,
Grade III, 85-90%
Product Number P3043
Product Brand SIGMA
CAS Number 57-57-8
Molecular Formula C3H4O2
Molecular Weight 72.06
 
TEST SPECIFICATION LOT 019H12361 RESULTS
APPEARANCE CLEAR COLORLESS TO FAINT YELLOW LIQUID CONFORMS
PROTON NMR SPECTRUM CONSISTENT WITH STRUCTURE CONSISTENT
PURITY BY IODINE TITRATION MINIMUM 85% 100%
RECOMMENDED RETEST 3 YEARS NOVEMBER 2006 EXTENDED FROM JANUARY 2005
QC RELEASE DATE NOVEMBER 2004