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Carbonic acid, dimethyl ester

CAS No.: 616-38-6

  • Molecular Formula: H3COCOOCH3
  • Molecular Weight: 90.08 g/mol

Chemical type

  • Non-reductive CO₂ product
[1,3]
  • CO₂-derived carbonate
[2]
  • Symmetric organic carbonate
[3]

Key properties

  • Retains C=O bond
  • Low toxicity solvent and reagent
[1]
  • High atomic efficiency in synthesis (only generates DMC and water)
  • Versatile utility with low toxicity
  • Inherent thermodynamic limitations in synthesis
[2]
  • Retains C=O bond
  • Green and safe feedstock
  • Low toxicity solvent and reagent
[3]
  • Green solvent
  • Intermediate for polycarbonates
  • Fuel additive
[1]
  • Electrolyte solvent
  • Pharmaceutical intermediate
  • Oxygenated fuel additive
[2]
  • Feedstock for transesterification to produce asymmetric carbonates like Ethyl Methyl Carbonate (EMC)
  • Essential component for pharmaceuticals, agrochemicals, polymers, lubricants
  • Electrolyte for lithium-ion batteries
  • Solvent for coatings and varnishes
  • Building block for chemical reactions
  • Improves gasoline combustion to reduce emissions
[3]

Classification by use

  • Chemicals used as green solvents
  • Chemicals used in polymer production
[1,3]
  • Chemicals for CO₂ utilization
  • Chemicals in green chemistry processes
  • Chemicals as fuel additives
[2]

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  1. [Cite:1] Recent progress in microporous membrane reactors for catalytic conversion CO2 into value-added chemicals, Advanced Membranes, Volume 7, June 2026, 100190
  2. [Cite:2] Effect of lattice distortion of CeO2 on direct synthesis of dimethyl carbonate from CO2 and methanol, Journal of Fuel Chemistry and Technology, Volume 53, Issue 11, November 2025, Pages 1590-1602
  3. [Cite:3] Alkaline oxide clusters inside zeolites catalyze the selective synthesis of ethyl methyl carbonate, Journal of Catalysis, Volume 456, April 2026, 116729