Specification Sheet
Product Name β-Propiolactone,
97%
Product Number 457604
Product Brand ALDRICH
CAS Number 57-57-8
Molecular Weight 72.06
 
TEST SPECIFICATION
APPEARANCE COLORLESS LIQUID *
PROTON NMR SPECTRUM CONFORMS TO STRUCTURE.
TITRATION 96.5% - 103.5% (WITH IODINE)
  * DURING STORAGE SOME INSOLUBLES MAY FORM
  DUE TO POLYMERIZATION
  APPROVED OCTOBER 21, 1999 JSB