Dimethyl ether
Encyclopedia : D : DI : DIM : Dimethyl ether
| Dimethyl ether | |
|---|---|
| |
| General | |
| Systematic name | methoxymethane |
| Other names | DME, wood ether dimethyl oxide Demeon, Dymel A |
| Molecular formula | C2H6O CH3OCH3 |
| SMILES | COC |
| Molar mass | 46.07 g/mol |
| Appearance | colourless gas with typical smell |
| CAS number | [115-10-6] |
| Properties | |
| Density and phase | 1.59, gas (vs air) 668 kg/m3, liquid |
| Solubility in water | 328 g/100 ml (20°C) |
| in methanol, ethanol, toluene | soluble |
| Melting point | -138.5°C (134.6 K)/(-217.3°F) 242.37°R |
| Boiling point | -24.9°C (248.2 K)/(-12.82°F) 446.85°R |
| Structure | |
| Molecular shape | ? |
| Dipole moment | 1.30 D (gas) |
| Hazards | |
| MSDS | External MSDS |
| Main hazards | highly flammable |
| NFPA 704 |   
|
| Flash point | -41°C/(-41.8°F) 417.87°R |
| R/S statement | R12 S2, S9, S16, S33 |
| RTECS number | PM3780000 |
| Supplementary data page | |
| Structure and properties | n, εr, etc. |
| Thermodynamic data | Phase behaviour Solid, liquid, gas |
| Spectral data | UV, IR, NMR, MS |
| Related compounds | |
| Related ethers | diethyl ether crown ether polyethylene glycol |
| Related compounds | methanol |
| Except where noted otherwise, data are given for materials in their standard state (at 25°C, 100 kPa) [Chemical infoboxInfobox disclaimer and references] | |
External links
- [Facts about DME] from the International DME Association
- [Chemical data and hazard links]
- [dimethyl ether 3D view and pdb-file]
- For a full list of external links to MSDSs, spectroscopic data, commercial chemicals suppliers etc. for this compound, see [Chemical sources].
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