1,2-Dichloro-1,1,2-trifluoroethane is a volatile liquid chlorofluoroalkane composed of carbon, hydrogen, chlorine and fluorine, and with structural formula CClF₂CHClF. It is also known as a refrigerant with the designation R-123a.

Formation

1,1,2-Trichloro-1,2,2-trifluoroethane 1,1,2-Trichloro-1,2,2-trifluoroethane, also called trichlorotrifluoroethane or CFC-113, is a chlorofluorocarbon. It has the formula . This colorless, volatile liquid is a versatile solvent. Atmospheric reactions CFC-113 is a very unreactive chl ...

can be biotransformed in

sewage sludge Sewage sludge is the residual, semi-solid material that is produced as a by-product during sewage treatment of industrial or municipal wastewater. The term "septage" also refers to sludge from simple wastewater treatment but is connected to si ...

to 1,2-dichloro-1,1,2-trifluoroethane.

Properties

The

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of R-123a is . The rotation of the molecule appears to be hindered by the present of chlorine on each carbon atom, but is eased at higher temperatures.

Use

Although not deliberately used, R-123a is a significant impurity in its isomer, the widely used 2,2-dichloro-1,1,1-trifluoroethane (R-123).

References

External links

* {{DEFAULTSORT:Dichloro-1,1,2-trifluoroethane, 1,2- Hydrochlorofluorocarbons