CAS Registry Number

CAS 57-57-8 — beta-Propiolactone

Beta-Propiolactone is a highly reactive, toxic cyclic ester used in organic synthesis, particularly as a reagent for introducing hydroxyl groups and in the production of pharmaceuticals and agrochemicals. It is a clear, colorless liquid with a pungent odor. CAS: 57-57-8, Molecular formula: C3H4O2, Molecular weight: 72.06 g/mol. Store at -15 to -20 °C. Signal word: Danger. Molekula supplies beta-Propiolactone from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Also known as: beta-Propiolactone 97% · beta-Propiolactone 96% min.