295299
二甲醚
≥99%
别名:
甲醚
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关于此项目
线性分子式:
(CH3)2O
化学文摘社编号:
分子量:
46.07
UNSPSC Code:
12142100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
204-065-8
Beilstein/REAXYS Number:
1730743
MDL number:
Assay:
≥99%
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.
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.
Dimethyl ether (DME) can be used as a precursor to synthesize methyl acetate, oligomeric oxymethylene ethers (OMEs), polyoxymethylene dimethyl ethers (DMMx) and light olefins.
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:
Compatible with the following:
Legal Information
Sure/Pac is a trademark of Sigma-Aldrich Co. LLC
Aldrich is a registered trademark of Sigma-Aldrich Co. LLC
signalword
Danger
hcodes
Hazard Classifications
Flam. Gas 1A - Press. Gas Liquefied gas
存储类别
2A - Gases
wgk
WGK 1
flash_point_f
-41.8 °F - closed cup
flash_point_c
-41 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, multi-purpose combination respirator cartridge (US)
法规信息
监管及禁止进口产品
此项目有
Heterogeneously catalyzed synthesis of oxymethylene dimethyl ethers (OME) from dimethyl ether and trioxane.
Haltenort P, et al.
Catalysis Communications, 109, 80-84 (2018)
Carbonylation of dimethyl ether over Co-HMOR.
Ma M,et al.
Catalysis Science & Technology, 8(8), 2124-2130 (2018)
The carbonylation of dimethyl ether catalyzed by supported heteropoly acids: The role of Br?nsted acid properties.
Shen H, et al.
Catalysis Today (2018)
Synthesis of Polyoxymethylene Dimethyl Ethers from Dimethyl Ether Direct Oxidation over Carbon?Based Catalysts.
Gao X-Y, et al.
ChemCatChem, 10(1), 273-279 (2018)
Dimethyl ether carbonylation to methyl acetate over highly crystalline zeolite seed-derived ferrierite.
Kim J, et al.
Catalysis Science & Technology, 8(12), 3060-3072 (2018)
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