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What is 1,2-dimethyloxyethane?

Sep 16,2021

1,2-dimethyloxyethane, also known as glyme, monoglyme, dimethyl glycol, ethylene glycol dimethyl ether, dimethyl cellosolve, and DME, is a colorless, aprotic, and liquid ether that is used as a solvent, especially in batteries.1,2-dimethyloxyethane is miscible with water.

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Solubility

Miscible with water, methanol, ethanol, diethyl ether, acetone, tetrahydrofuran, benzene and toluene. 

Production

Monoglyme is produced industrially by the reaction of dimethylether with ethylene oxide:

CH3OCH3 + CH2CH2O → CH3OCH2CH2OCH3

Applications

Applications as solvent and ligand

Together with a high-permittivity solvent (e.g. propylene carbonate), 1,2-dimethyloxyethane is used as the low-viscosity component of the solvent for electrolytes of lithium batteries. In the laboratory, DME is used as a coordinating solvent.

1,2-dimethyloxyethane is often used as a higher boiling alternative to diethyl ether and THF. 1,2-dimethyloxyethane acts as a bidentate ligand for some metal cations. It is therefore often used in organometallic chemistry. Grignard reactions and hydride reductions are typical application. It is also suitable for palladium-catalyzed reactions including Suzuki reactions and Stille couplings. 1,2-dimethyloxyethane is also a good solvent for oligo- and polysaccharides.

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  • Related Qustion
  • Is 1,2-Dimethoxyethane a polar or non-polar compound? Dec 11, 2024

    1,2-Dimethoxyethane (DME) is a non-polar compound with a relative polarity of 0.231 and is slightly soluble in water.

  • Applications of Dimethoxyethane Nov 6, 2019

    Dimethoxyethane, also known as glyme, monoglyme, dimethyl glycol, ethylene glycol dimethyl ether, dimethyl cellosolve, and DME, is a colorless, aprotic, and liquid ether that is used as a solvent, especially in batteries.

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1,2-Dimethoxyethane manufacturers

  • 1,2-Dimethoxyethane
  • 110-71-4 1,2-Dimethoxyethane
  • 2026-07-03
  • CAS:110-71-4
  • Min. Order: 180KG
  • Purity: 98%min
  • Supply Ability: 300KG/month
  • 1,2-Dimethoxyethane
  • 110-71-4 1,2-Dimethoxyethane
  • $10.00
  • 2026-05-28
  • CAS:110-71-4
  • Min. Order: 1KG
  • Purity: 99%
  • Supply Ability: 50 ton
  • DME
  • 110-71-4 DME
  • $1.10
  • 2026-05-15
  • CAS:110-71-4
  • Min. Order: 1g
  • Purity: 99.0% Min
  • Supply Ability: 100 Tons

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