| (2E)-2-butenal; (2E)-but-2-enal; (E)-2-butenal; (E)-but-2-enal; trans-2-butenal; crotonaldehyde; trans-crotonaldehyde; crotonic aldehyde; β-methylacrolein; 3-methylpropenealdehyde; propylenealdehyde | |
| Links: | 🌍 Wikipedia, 📏 NIST, 📖 PubMed, 📖Houben-Weyl, 2. Band (Crotonaldehyd); p. 201, 261, 563, 691, 720, 756, 776, 796, 815, |
| CAS RN: | [4170-30-3] |
| Formula: | C4H6O; 70.09 g/mol |
| InChiKey: | MLUCVPSAIODCQM-NSCUHMNNSA-N |
| SMILES: | C/C=C/C=O |
| Use: | fuel gas warning agent; leather tanning; organic syntheses |
| Toxicology (LD50): | 160 mg/Kg (mouse, sc); 380 mg/Kg(rabbit, ct); 81.0 mg/Kg(rat, or); 300 mg/Kg(rat, or); 140 mg/Kg(rat, sc) |
| Density: | 0.856 g/mL |
| Molar volume: | 81.9 mL/mol |
| Refractive index: | 1.438 |
| Molecular refractive power: | 21.52 mL/mol |
| Dipole moment: | 3.67 D |
| Melting point: | -77 °C |
| Boiling point: | 102 °C |
| Vapour pressure: | 4 Torr |
| Log10 partition octanol / water: | 0.63 |