Dimethyl ether
ALDRICH/295299 - ≥99%
Synonym: DME; Methyl ether
CAS Number: 115-10-6
Empirical Formula (Hill Notation): C2H6O
Molecular Weight: 46.07
EC Number: 204-065-8
MDL Number: MFCD00008494
Linear Formula: (CH3)2O
Product Type: Chemical
| assay | ≥99% |
| autoignition temp. | 662 °F |
| bp | −24.8 °C (lit.) |
| expl. lim. | 27 % |
| functional group | ether |
| InChI | 1S/C2H6O/c1-3-2/h1-2H3 |
| InChI key | LCGLNKUTAGEVQW-UHFFFAOYSA |
| mp | −141 °C (lit.) |
| Quality Level | 100  |
| SMILES string | COC |
| vapor density | 1.62 (vs air) |
| vapor pressure | >760 mmHg ( 25 °C) |
| Application: | Dimethyl ether (DME) can be used as a precursor to synthesize methyl acetate, oligomeric oxymethylene ethers (OMEs), polyoxymethylene dimethyl ethers (DMMx) and light olefins. |
| Application: | DME can be used as precursor for the production dimethyl sulfate by treatment with sulfur trioxide. Dimethyl sulfate is employed as a versatile methylating agent in chemical synthesis. It is also used as a starting material for preparation of dimethyl sulfide, acetic acid, unsaturated and saturated hydrocarbons, and formadehyde. |
| General description: | Dimethyl ether (DME) is the simplest aliphatic ether used as a reactant as well as a solvent in organic synthesis. It is used as a precursor for the preparation of important useful organic compounds. DME is also used as an aerosol propellant. |
| Legal Information: | Aldrich is a registered trademark of Sigma-Aldrich Co. LLC |
| Legal Information: | Sure/Pac is a trademark of Sigma-Aldrich Co. LLC |
| Packaging: | 1 kg in Sure/Pac™ |
| Packaging: | 100, 400 g in Sure/Pac™ |
| Packaging: | Supplied in a Sure/Pac™ cylinder and has a brass needle valve with a male 1/4" NPTF outlet thread installed. Before using the cylinder, ensure that the valve is closed, then remove the galvanized steel hex cap that seals the outlet valve. Compatible with the following: • Aldrich® Sure/Pac™ station for liquefied gases Z566446 • PTFE Sealing tape Z104388 or Z221880 • Brass hose adapter Z146811 • Aldrich® mini gas regulator Z513539 |
| Symbol |   GHS02,GHS04 |
| Signal word | Danger |
| Hazard statements | H220 - H280 |
| Precautionary statements | P210 - P377 - P381 - P410 + P403 |
| Hazard Codes | F+ |
| Risk Statements | 12 |
| Safety Statements | 9-16-33 |
| RIDADR | UN1033 - class 2 - Dimethyl ether |
| WGK Germany | WGK 1 |
| Flash Point(F) | -41.8 °F - closed cup |
| Flash Point(C) | -41 °C - closed cup |
| Purity | ≥99% |
| bp | −24.8 °C (lit.) |
| mp | −141 °C (lit.) |
| UNSPSC | 12142100 |