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Trichloroethylene's discovery is widely attributed to E. Fischer who made it in 1864 via the reduction of hexachloroethane with hydrogen. Fischer investigated TCE and noted its boiling point as between 87 and 90 degrees Celsius. [12] [13] [14] Commercial production began in Germany, in 1920 and in the US in 1925. [15]
Organochlorides such as trichloroethylene, tetrachloroethylene, dichloromethane and chloroform are commonly used as solvents and are referred to as "chlorinated solvents". [ citation needed ] Physical and chemical properties
1,1,2-Trichloroethane, vinyl trichloride or 1,1,2-TCA, is an organochloride solvent with the molecular formula C 2 H 3 Cl 3 and the structural formula CH 2 Cl—CHCl 2. It is a colourless , sweet-smelling liquid that does not dissolve in water , but is soluble in most organic solvents .
1,1,1-Trichloroethane is an excellent solvent for many organic compounds and also one of the least toxic of the chlorinated hydrocarbons.It is generally considered non-polar, but owing to the good polarizability of the chlorine atoms, it is a superior solvent for organic compounds that do not dissolve well in hydrocarbons such as hexane.
Trichloroethylene is a major byproduct, which is separated by distillation. Worldwide production was about 1 million metric tons (980,000 long tons; 1,100,000 short tons) in 1985. [11] Although in very small amounts, tetrachloroethylene occurs naturally in volcanoes along with trichloroethylene. [12]
Trichloroethane (C 2 H 3 Cl 3) may refer to either of two isomeric chemical compounds: 1,1,1-Trichloroethane (methyl chloroform, CCl 3 CH 3) 1,1,2-Trichloroethane ...
Trichloroethylene (TCE) is more aggressive than PCE but is very rarely used today. With superior degreasing properties, it was often used for industrial workwear/overalls cleaning in the past. It is chemically related to tetrachloroethylene. TCE is classified as carcinogenic to humans by the United States Environmental Protection Agency. [12]
log 10 of Trichloroethylene vapor pressure. Uses formula: log e P m m H g = {\displaystyle \scriptstyle \log _{e}P_{mmHg}=} log e ( 760 101.325 ) − 3.586434 log e ( T + 273.15 ) − 5142.974 T + 273.15 + 39.83149 + 1.342324 × 10 − 6 ( T + 273.15 ) 2 {\displaystyle \scriptstyle \log _{e}({\frac {760}{101.325}})-3.586434\log _{e ...