Tetrachloroethylene (C2Cl4)

Other names

perchloroethene, perchloroethylene, PCE

CAS Number



  • colourless, volatile liquid
  • non-flammable
  • smells like ether

Main sources

  • industry and commerce
  • dry cleaning: cleaning agents
  • metal industry, clock industry, optical industry: degreasing agents
  • chemical industry: solvents
  • production of printing plates, films

Thresholds for the reporting requirement of facilities in accordance with Annex 2 PRTRO

(Ordinance on the Register relating to Pollutant Release and the Transfer of Waste and of Pollutants in Waste Water)

  • Air               2,000 kg/year
  • Water           -
  • Soil               -


  • harmful to health
  • suspected carcinogenic effect
  • toxic to aquatic organisms
  • major, widely dispersed pollutant in groundwater

    Further information

    Last modification 16.12.2016

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