Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Dimethyl Carbonate DMC

Dow Chemical’s DMC Series Dimethyl Carbonate is a high-purity, low-toxicity carbonate solvent and methylating agent. It serves as a green alternative to phosgene and dimethyl sulfate in polycarbonate synthesis, pharmaceuticals, and lithium-ion battery electrolytes. With exceptional stability, biodegradability, and zero ozone-depletion potential, it meets stringent REACH and RoHS standards for sustainable chemical manufacturing.
  • dimethyl carbonate dmc_39ae9616
  • dimethyl carbonate dmc_39ae9616

Features Of Dimethyl Carbonate DMC

  1. Low toxicity and favorable environmental profile compared to traditional methylating agents such as methyl chloride or dimethyl sulfate.

  2. High chemical purity with minimal water and acid content, ensuring stability in sensitive synthesis processes.

  3. Excellent solvent power for polymers, resins, and electrolyte systems while remaining non-corrosive to common processing equipment.

  4. Reactive carbonate functionality enables use as a green methylating and carbonylating agent in fine chemical synthesis.

  5. Biodegradable and classified as non-hazardous for transport under UN GHS guidelines (no acute toxicity classification).

Typical Applications Of Dimethyl Carbonate DMC

  1. Lithium-ion battery electrolyte component, serving as a co-solvent and film-forming additive for improved SEI layer stability.

  2. Methylating reagent in pharmaceutical intermediates, agrochemicals, and specialty dyes—replacing hazardous alternatives.

  3. Carbonylation agent in polycarbonate and polyurethane precursor synthesis, particularly in non-phosgene routes.

  4. Green solvent for coatings, adhesives, and electronic cleaning formulations due to its low surface tension and rapid evaporation.

  5. Monomer and chain extender in the production of biodegradable polycarbonates and functional polyesters.

Specifications Of Dimethyl Carbonate DMC

Chemical TypeOrganic carbonate
Product FormClear, colorless liquid
AppearanceTransparent, mobile liquid without visible impurities
Purity (GC)≥ 99.9% w/w
Water Content≤ 0.05% w/w
Acidity (as CH₃COOH)≤ 0.001% w/w
Density (20°C)1.068–1.072 g/cm³
Boiling Point90–91°C at 760 mmHg


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