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295299 Sigma-Aldrich

Dimethyl ether

≥99%

Synonym: DME, Methyl ether

  • CAS Number 115-10-6

  • Linear Formula (CH3)2O

  • Molecular Weight 46.07

  •  Beilstein/REAXYS Number 1730743

  •  EC Number 204-065-8

  •  MDL number MFCD00008494

  •  PubChem Substance ID 24857771

  •  NACRES NA.22

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Properties

Related Categories Chemical Synthesis, Specialty Gases, Synthetic Reagents More...
vapor density   1.62 (vs air)
vapor pressure   >760 mmHg ( 25 °C)
InChI Key   LCGLNKUTAGEVQW-UHFFFAOYSA-N
assay   ≥99%
autoignition temp.   662 °F
expl. lim.   27 %
bp   −24.8 °C (lit.)
mp   −141 °C (lit.)

Description

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.

Packaging

1 kg in Sure-Pac™

100, 400 g in Sure-Pac™

Recommended products

Brass hose adapter Z146811 or brass body mini gas regulator Z513539 is recommended.

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN1033 - class 2 - Dimethyl ether
WGK Germany 
1
RTECS 
PM4780000
Flash Point(F) 
-41.8 °F
Flash Point(C) 
-41 °C
Protocols & Articles

Articles

A General, Efficient, and Functional-Group-Tolerant Catalyst System for the Palladium-Catalyzed Thioetherification of Aryl Bromides and Iodides

On the basis of mechanism-driven reaction design, a Pd-catalyzed nucleophilic fluorination of aryl bromides and iodides has been developed. The method exhibits a broad substrate scope, especially wit...
Keywords: Catalysis, Chromatography, Fluorinations, Ligands, Reductions

A New Biarylphosphine Ligand for the Pd-Catalyzed Synthesis of Diaryl Ethers under Mild Conditions

An efficient, general palladium catalyst for C-O bond-forming reactions of secondary and primary alcohols with a range of aryl halides has been developed using the ligand�1. Heteroaryl halides, and f...
Keywords: Chromatography, Flash chromatography, Ligands

Highly Reactive, General and Long-Lived Catalysts for Palladium-Catalyzed Amination of Heteroaryl and Aryl Chlorides, Bromides, and Iodides: Scope and Structure-Activity Relationships

Boronic acids which quickly deboronate under basic conditions, such as polyfluorophenylboronic acid and five- membered 2-heteroaromatic boronic acids, are especially chal- lenging coupling partners f...
Keywords: Ligands

Peer-Reviewed Papers
15

References

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hose barb

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Z146811 Hose adapter, brass

regulator

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Z513539 Aldrich® mini gas regulator, brass body

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