Alpha-propiolactone

α-Propiolactone

Names
IUPAC name 3-methyloxiran-2-one
Other names α-Propiolactone 2-methyl-α-lactone
Identifiers
PubChem CID	15857753
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  (what is YN ?)
Infobox references

α-Propiolactone, or 2-methyl-α-lactone, 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-bromo-propionate anion. It is an intermediate in the decomposition of 2-chloropropionic acid in the gas phase.