For more details check the specification page: Propiolactone
| Linear formula | C3H4O2 |
| Pubchem CID | 2365 |
| SMILES | O=C1OCC1 |
| IUPAC Name | 3-Hydroxypropanoic acid lactone |
| InchI Identifier | InChI=1S/C3H4O2/c4-3-1-2-5-3/h1-2H2 |
| InchI Key | VEZXCJBBBCKRPI-UHFFFAOYSA-N |
| UN | 3382 |
| Hazardous class | 6(1) |
| Packing group | I |
| Pictograms | |
| Signal word | DANGER |
| Hazard statements | H315-H319-H330-H350 |
| Precautionary statements | P201-P260-P280-P304 + P340 + P310-P308 + P313-P403 + P233 |
| Transport description | Toxic by inhalation liquid, n.o.s. (3-Propanolide) |
| In TSCA registry | Yes |