| dimethoxymethane; formal; formaldehyde dimethyl acetal; methylal; methylene dimethylate; methylene dimethyl ether | |
| Links: | 📏 NIST, 📖 PubMed, 📖Houben-Weyl, 2. Band (Methylal); p. 205, 678, 685, |
| CAS RN: | [109-87-5] |
| Formula: | C3H8O2; 76.10 g/mol |
| InChiKey: | NKDDWNXOKDWJAK-UHFFFAOYSA-N |
| SMILES: | O(C)COC |
| Use: | gives improved water resistance to polyvinyl alcohol and cellullose derivatives for use in textiles and paper products; good methylating agent; superior solvent to ether in many respects for organic acids an other organic compounds because of its relatively high water solubility, ability to be salted out of solution quickly, and stability towards alkalies; vaporizing solvent for various types of coating process |
| Toxicology (LD50): | 6 653 mg/Kg (rat, or) |
| Density: | 0.859 g/mL |
| Molar volume: | 88.6 mL/mol |
| Refractive index: | 1.353 |
| Molecular refractive power: | 19.21 mL/mol |
| Dielectric constant: | 2.65 |
| Dipole moment: | 0.91 D |
| Melting point: | -105 °C |
| Boiling point: | 42 °C |
| Vapour pressure: | 44 Torr |
| Surface tension: | 21.33 dyn/cm |
| Critical temperature: | 215 °C |
| Log10 partition octanol / water: | 0.18 |
| Dimroth ET: | 35.8 |
| Hildebrant solubility parameter (δ): | 8.4 |
| Hansen solubility parameter: | δd: 7.4 (cal/mL)^0.5 δp: 0.9 (cal/mL)^0.5 δh: 4.2 (cal/mL)^0.5 |