Dimethyl carbonate

Dimethyl carbonate (DMC) is an organic compound with the formula OC(OCH3)2. It is a colourless, flammable liquid. It is classified as a carbonate ester. This compound has found use as a methylating agent and as a co-solvent in lithium-ion batteries. Notably, dimethyl carbonate is a weak methylating agent, and is not considered as a carcinogen. Instead, dimethyl carbonate is often considered to be a green reagent, and it is exempt from the restrictions placed on most volatile organic compounds (VOCs) in the United States.

Not to be confused with dimethyl carbate.
Dimethyl carbonate
Names
Preferred IUPAC name
Dimethyl carbonate
Other names
DMC
Methyl carbonate, di-
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.009.527
PubChem CID
UNII
  • InChI=1S/C3H6O3/c1-5-3(4)6-2/h1-2H3 Y
    Key: IEJIGPNLZYLLBP-UHFFFAOYSA-N Y
  • InChI=1/C3H6O3/c1-5-3(4)6-2/h1-2H3
    Key: IEJIGPNLZYLLBP-UHFFFAOYAC
SMILES
  • COC(=O)OC
Properties
C3H6O3
Molar mass 90.078 g·mol−1
Appearance colorless liquid
Density 1.069-1.073 g/mL
Melting point 2 to 4 °C (36 to 39 °F; 275 to 277 K)
Boiling point 90 °C (194 °F; 363 K)
13.9 g/100 mL
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
 Flammable
Flash point 17 °C (63 °F; 290 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Y verify (what is YN ?)
Infobox references
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