Methyloxiranone

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.^[1] It is an intermediate in the decomposition of 2-chloropropionic acid in the gas phase.^[2]

α-Propiolactone

Names
IUPAC name 3-Methyloxiran-2-one
Other names α-Propiolactone 2-Methyl-α-lactone
Identifiers
CAS Number	50403-36-6
3D model (JSmol)	Interactive image
ChemSpider	74180244
PubChem CID	15857753
CompTox Dashboard (EPA)	DTXSID301336180
InChI InChI=1S/C3H4O2/c1-2-3(4)5-2/h2H,1H3 Key: YCHXNMPJFFEIJG-UHFFFAOYSA-N
SMILES CC1C(=O)O1
Properties
Chemical formula	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

See also

• β-Propiolactone
• Acetolactone