38912
Dimethyl ether
puriss., ≥99.9% (GC)
Synonym(s):
Methyl ether
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About This Item
Linear Formula:
(CH3)2O
CAS Number:
Molecular Weight:
46.07
Beilstein/REAXYS Number:
1730743
EC Number:
MDL number:
UNSPSC Code:
12142100
PubChem Substance ID:
NACRES:
NA.22
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vapor density
1.62 (vs air)
vapor pressure
>760 mmHg ( 25 °C)
grade
puriss.
assay
≥99.9% (GC)
autoignition temp.
662 °F
expl. lim.
27 %
bp
−24.8 °C (lit.)
mp
−141 °C (lit.)
SMILES string
COC
InChI
1S/C2H6O/c1-3-2/h1-2H3
InChI key
LCGLNKUTAGEVQW-UHFFFAOYSA-N
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General description
Dimethyl ether (DME) is the simplest aliphatic ether used as a reactant as well as a solvent in organic synthesis. It is also used as a precursor for the preparation of important useful organic compounds such as dimethyl carbonate, methyl acetate, propylene and chloromethyl ether.
Application
DME can be used as a precursor for the preparation of versatile methylating agents such as dimethyl sulfate and trimethyloxonium tetrafluoroborate.
Packaging
Cylinder with net 1.1 kg
DIN 477 nr.1
Other Notes
Sales restrictions may apply
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signalword
Danger
hcodes
Hazard Classifications
Flam. Gas 1A - Press. Gas Liquefied gas
Storage Class
2A - Gases
wgk_germany
WGK 1
flash_point_f
-41.8 °F - closed cup
flash_point_c
-41 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves
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Ogawa T, et al.
Journal of natural gas chemistry, 12(4), 219-227 (2003)
Dimethyl ether (DME) as an alternative fuel
Semelsberger TA, et al.
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Kazuyuki Oshita et al.
Chemosphere, 78(9), 1148-1154 (2010-01-02)
We investigated whether polychlorinated biphenyls (PCBs) and water could be simultaneously removed from river sediment by solvent extraction using liquefied dimethyl ether (DME) as the extractant. DME exists in a gaseous state at normal temperature and pressure and can dissolve
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