| as-dimethylethylene; asym-dimethylethylene; isobutene; isobutylene; methylpropene; 2-methylpropene; 2-methyl-1-propene; 2-methylprop-1-ene; 2-methylpropylene | |
| Links: | 📏 NIST, 📖 PubMed, 📖Houben-Weyl, 2. Band (Isobutylen); p. 460, 670, 745, 749, 763, 769, 772, 782, 📖Org. Chem., v. Richter, 1. Vol (Isobutylene); p. 75, 80, 82, 84, 119 |
| CAS RN: | [115-11-7] |
| Formula: | C4H8; 56.11 g/mol |
| InChiKey: | IAQRGUVFOMOMEM-UHFFFAOYSA-N |
| SMILES: | CC=CC |
| Density: | 0.627 g/mL |
| Molar volume: | 89.5 mL/mol |
| Refractive index: | 1.381 |
| Molecular refractive power: | 20.81 mL/mol |
| Dipole moment: | 0.50 D |
| Melting point: | -141 °C |
| Boiling point: | -6 °C |
| Vapour pressure: | 307 Torr |
| Antoine equation P(Torr) vs T(°C) | |
| Critical temperature: | 144 °C |
| Critical pressure: | 39.3 atm |
| Critical volume: | 240.00 ml/mol |
| Log10 partition octanol / water: | 2.34 |