2-Chloro-1,1,1-trifluoroethane

2-Chloro-1,1,1-trifluoroethane, also known as 1,1,1-trifluoro-2-chloroethane or Freon 133a, is an alkyl halide belonging to the category of chlorofluorocarbons, having chemical formula F3C-CH2-Cl. Under standard conditions, it appears as a colorless gas, partially soluble in water. It is used as a refrigerant, as a solvent and as a reagent in organic synthesis.

2-Chloro-1,1,1-trifluoroethane
Names
Preferred IUPAC name
2-Chloro-1,1,1-trifluoroethane
Other names
  • 1,1,1-Trifluoro-2-chloroethane
  • Chlorotrifluoroethane
  • Freon 133a
  • HCFC 133a
  • R133a
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.000.830
EC Number
  • 200-912-0200-912-0
RTECS number
  • KH8008500
UNII
UN number 1983
  • InChI=1S/C2H2ClF3/c3-1-2(4,5)6/h1H2
    Key: CYXIKYKBLDZZNW-UHFFFAOYSA-N
  • C(C(F)(F)F)Cl
Properties
C2H2ClF3
Molar mass 118.48 g/mol
Appearance Gas
Density 1.389 g/mol (liquid at 0 °C)
Melting point −105.3 °C (−157.5 °F; 167.8 K)
Boiling point 6.1 °C (43.0 °F; 279.2 K)
0.89 g/l
1.3092 (liquid at 0 °C)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

It can be made by the reaction of trichloroethylene and hydrogen fluoride.

References
  1. "2-Chloro-1,1,1-trifluoroethane | H2ClC-CF3 - PubChem". pubchem.ncbi.nlm.nih.gov.


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