| diethylene dioxide; diethylene ether; diethylene oxide; dioxan; dioxane; p-dioxane; 1,4-dioxane; dioxyethylene ether; glycol ethylene ether; tetrahydro-p-dioxin | |
| Links: | 📏 NIST, 📖 PubMed |
| CAS RN: | [123-91-1] |
| Formula: | C4H8O2; 88.11 g/mol |
| InChiKey: | RYHBNJHYFVUHQT-UHFFFAOYSA-N |
| SMILES: | O1CCOCC1 |
| Toxicology (LD50): | 3 150 mg/Kg (guinea~pig, or); 4 017 mg/Kg(guinea~pig, or); 790 mg/Kg(mouse, ip); 5 830 mg/Kg(mouse, or); 7 600 mg/Kg(rabbit, ct); 2 170 mg/Kg(rabbit, or); 4 200 mg/Kg(rat, or); 5 325 mg/Kg(rat, or); 6 000 mg/Kg(rat, or); 7 120 mg/Kg(rat, or) |
| Density: | 1.034 g/mL |
| Molar volume: | 85.2 mL/mol |
| Refractive index: | 1.422 |
| Molecular refractive power: | 21.68 mL/mol |
| Dielectric constant: | 2.25 |
| Dipole moment: | 0.45 D |
| Melting point: | 12 °C |
| Boiling point: | 101 °C |
| Vapour pressure: | 29 Torr |
| Antoine equation P(Torr) vs T(°C) | |
| Surface tension: | 34.45 dyn/cm |
| Viscosity: | 1.37 cP |
| Critical temperature: | 315 °C |
| Critical pressure: | 51.4 atm |
| Critical volume: | 238.00 ml/mol |
| Evaporation rate (ether): | 7.3 |
| Evaporation rate (butyl acetate): | 2.2 |
| Solubility in water: | 100 % w/w |
| Solubility of water: | 100 % w/w |
| Log10 partition octanol / water: | -0.42 |
| Snyder P': | 4.8 |
| Snyder X: | Xe: 0.4 Xd: 0.2 Xn: 0.4 |
| Solvent strength (ε0, silica): | 0.49 |
| Solvent strength (ε0, alumina): | 0.56 |
| Dimroth ET: | 36.0 |
| Hildebrant solubility parameter (δ): | 10.0 |
| Hansen solubility parameter: | δd: 9.3 (cal/mL)^0.5 δp: 0.9 (cal/mL)^0.5 δh: 3.6 (cal/mL)^0.5 |
| Specific heat capacity: | 36.0 cal/molK |
| Latent heat of fusion: | 3,080 cal/mol |