Dimethyl Carbonate

Dimethyl carbonate (DMC) is an organic compound with the formula OC(OCH3).It is a colourless, flammable liquid. It is classified as a carbonate ester. This compound has found use as a methylating agent and more recently as a solvent that is exempt from the restrictions placed on most volatile organic compounds (VOCs) in the US.Dimethyl carbonate is often considered to be a green reagent.

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Product Description

Dimethyl Carbonate

Application

1. as Methylating agent

Dimethyl carbonate methylatenilines, carboxylic acids, and phenols.Sometimes these reactions require the use of an autoclave
2. solvent as a replacement for methyl ethyl ketone (MEK) and parachlorobenzotrifluoride, as well as tert-butyl acetate

3. Intermediate in polycarbonate synthesis

A large captive use of dimethyl carbonate is for the production of diphenyl carbonate through transesterification with phenol. Diphenyl carbonate is a widely used raw material for the synthesis of bisphenol-A-polycarbonate in a melt polycondensation process, the resulting product being recyclable by reversing the process and transesterifying the polycarbonate with phenol to yield diphenyl carbonate and bisphenol A.

4. Alternative fuel additive

There is also interest in using this compound as a fuel oxygenate additive.

Test Description	Unit of Measure	Specifications	Test Result	Conclusion
Appearance	-	Colorless & transparent liquid	Colorless & transparent liquid	Pass
Content	%	≥99.50	99.91	Pass
Methanol	%	≤0.0300	0.0147	Pass
Moisture	%	≤0.0300	0.02	Pass
Density 25ºC	g/cm3	1.071±0.005	1.071	Pass
Color, Pt-Co	APHA Color	≤10	5	Pass