StructureDiethyl carbonate (DEC)
CAS No. 105-58-8
EC No. 203-311-1
Synonyms Diethyl carbonate; carbonic ether; Ethyl carbonate; Eufin; Ethyl carbonate; Carbonic acid diethyl ester

Diethyl carbonate (DEC)

​Diethyl carbonate (DEC) is a carbonate ester of carbonic acid and ethanol. It is a high quality solvent and textile auxiliary agent. At room temperature (25 °C) Diethyl carbonate (DEC) is a clear liquid.


  • Ethylating and carbonylating reagents in organic synthesis.
  • It is also used as solvents of nitro-cotton, cellulose ether, synthetic resin and natural resin in the textile printing and dyeing industry.
  • can make dyeing uniformity and increase fading quality against sunshine
  • solvent of polyamide, polyacrylonitrile and diphenol resin and it can improve feel of the textiles and anti-crease quality in the synthetic fiber industry.
  • paint remover in the paint industry; in the plastic process it is the solvent if plasticizer or can be used as solvent of plasticizer directly or can be used as plasticizer directly.
  • It is used to be prepare the electrolyte in the capacitor battery and lithium battery.

Shelf Life

Under proper storage conditions, the shelf life is 12 months

Health & Safety

Detailed information on the product described can be found in our relevant Health and Safety Information (Material Safety Data Sheet)