Methyloxiranone

α-Propiolactone
(R)-Methyloxiranone
(S)-Methyloxiranone
Names
IUPAC name
3-Methyloxiran-2-one
Other names
α-Propiolactone
2-Methyl-α-lactone
Identifiers
3D model (JSmol)
ChemSpider
  • InChI=1S/C3H4O2/c1-2-3(4)5-2/h2H,1H3
    Key: YCHXNMPJFFEIJG-UHFFFAOYSA-N
  • CC1C(=O)O1
Properties
C3H4O2
Molar mass 72.06 g mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is YN ?)
Infobox references

Methyloxiranone or α-propiolactone is a chemical compound of the lactone family, with a three-membered ring. It is a stable product which can be obtained from the 2-bromopropionate anion. It is an intermediate in the decomposition of 2-chloropropionic acid in the gas phase.