| diketene; β-methylene-β-propiolactone; 4-methylideneoxetan-2-one; vinylaceto-β-lactone | |
| Links: | 📏 NIST, ⚗️ ChemSynthesis |
| CAS RN: | [674-82-8] |
| Formula: | C4H4O2; 84.07 g/mol |
| InChiKey: | WASQWSOJHCZDFK-UHFFFAOYSA-N |
| SMILES: | C=C1CC(=O)O1 |
| Toxicology (LD50): | 610 mg/Kg (rat, or) |
| Density: | 1.090 g/mL |
| Molar volume: | 77.2 mL/mol |
| Dipole moment: | 3.53 D |
| Melting point: | -7 °C |
| Boiling point: | 127 °C |
| Critical pressure: | 5.5 atm |
| Log10 partition octanol / water: | -0.39 |