Rahul Sharma (Editor)

1,2 Dichlorotetrafluoroethane

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Appearance  colorless gas
Molar mass  170.92 g/mol
Density  1.46 g/cm³
Formula  C2Cl2F4
Boiling point  3.5 °C
Melting point  -94 °C
1,2-Dichlorotetrafluoroethane wwwcaslabcomChemicalSearchChemicalStructure

1,2-Dichlorotetrafluoroethane, or R-114, also known as cryofluorane (INN), is a chlorofluorocarbon (CFC) with the molecular formula ClF2CCF2Cl. Its primary use has been as a refrigerant. It is a non-flammable gas with a sweetish, chloroform-like odor with the critical point occurring at 145.6 °C and 3.26 MPa. When pressurized or cooled, it is a colorless liquid. It is listed on the Intergovernmental Panel on Climate Change's list of ozone depleting chemicals, and is classified as a Montreal Protocol Class I, group 1 ozone depleting substance.

When used as a refrigerant, R-114 is classified as a medium pressure refrigerant.

The US Navy uses R-114 in its centrifugal chillers in preference to R-11 to avoid air and moisture leakage into the system. While the evaporator of an R-11 charged chiller runs at a vacuum during operation, R-114 yields approximately 0 psig operating pressure in the evaporator.

References

1,2-Dichlorotetrafluoroethane Wikipedia


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