| allene; propadiene; 1,2-propadiene | |
| Links: | 📏 NIST, 📖 PubMed, 📖Houben-Weyl, 2. Band (Allen); p. 303, 745, 779, 809814, 📖Org. Chem., v. Richter, 1. Vol (Allene); p. 90 |
| CAS RN: | [463-49-0] |
| Formula: | C3H4; 40.06 g/mol |
| InChiKey: | IYABWNGZIDDRAK-UHFFFAOYSA-N |
| SMILES: | [CH2]=[C]=[CH2] |
| Density: | 0.663 g/mL |
| Molar volume: | 60.4 mL/mol |
| Refractive index: | 1.417 |
| Molecular refractive power: | 15.20 mL/mol |
| Dipole moment: | 0.00 D |
| Melting point: | -136 °C |
| Boiling point: | -34 °C |
| Antoine equation P(Torr) vs T(°C) | |
| Critical temperature: | 121 °C |
| Critical pressure: | 51.8 atm |
| Log10 partition octanol / water: | 1.45 |