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  Perchlorethylene is an important organochlorine product that is mainly used as organic solvent, dry cleaner, desulfurizer, textile finishing agent, metal detergent, and etc.
Physical properties  
Alias 1,1,2,2-Tetrachloroethylene; Ankilostin; tetralex; tetravec; Tetrochloroethane; tetroguer
Appearance Colorless liquid with trichloromethane odor.
Molecular formula C2Cl4
Molecular weight 165.82
Melting poitn (℃) -22.2 (-22.35; -22.7)
Boiling point (℃) 121.2
Relative density (water=1) (20℃/4℃)1.6226
Relative vapour density (air=1) 5.83
Saturated vapor pressure (kPa) 2.11(20℃)
Heat of combustion (kJ/mol) 679.3
Critical temperature(℃) 347.1
Critical pressure(MPa) 9.74
Refractive index 1.50566
Log Koc of octanol/moisture distribution coefficient 2.88
Solubility Insoluble in water, soluble in ethyl alcohol, diethyl ether and many organic solvents
Appearance and properties: colorless liquid, with trichloromethae odor.
Log Koc of octanol/moisture distribution coefficient: 2.88
Solubility: insoluble in water, soluble in ethyl alcohol, diethyl ether and many organic solvents.
Colorless transparent liquid with diethyl ether odor. Soluble in ethyl alcohol, diethyl ether, trichloromethane, and benzene.
1. Perchlorethylene is mainly used as degreasing solvent of metal and as vermifuge.
2. It is used as dry cleaner for natural and synthetic fibers.
3. As chromatographic analysis standard substance.
4. In vermifuge for adhesive and in organic synthesis.
Health hazard


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