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1,1,1-Trifluoroethane

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1,1,1-Trifluoroethane
File:Trifluoroethane.png
Names
IUPAC name
1,1,1-Trifluoroethane
Other names
Methylfluoroform, 1,1,1-Trifluoroform, R-143a, HFC-143a, UN 2035
Identifiers
3D model (JSmol)
ECHA InfoCard 100.006.361 Edit this at Wikidata
EC Number
  • 206-996-5
  • InChI=1/C2H3F3/c1-2(3,4)5/h1H3
  • CC(F)(F)F
Properties
C2H3F3
Molar mass 84.04 g/mol
Appearance Colourless gas
Density 3.7 kg/m3 (gas)
Melting point -111 °C
Boiling point -47.6 °C
Vapor pressure 11 200 hPa (20 °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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1,1,1-Trifluoroethane, or R-143a or simply trifluoroethane, is a fluorocarbon compound that is a clear, colorless gas. It should not be confused with the isomeric compound 1,1,2-trifluoroethane.

It has a critical temperature of 73 °C.

It is used as a refrigerant either by itself or more commonly as a component of blended mixtures. Unlike CFCs used as refrigerants, trifluoroethane has no chlorine atoms and is therefore not an ozone-depleting chemical, though its high chemical stability and infra-red absorbency make it a potent greenhouse gas.

Trifluoroethane is also used as a propellant in canned air products used to clean electronic equipment.

References


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