1,1,1-Trifluoroethane

1,1,1-Trifluoroethane

Names
IUPAC name 1,1,1-Trifluoroethane
Other names Methylfluoroform, 1,1,1-Trifluoroform, R-143a, HFC-143a, UN 2035
Identifiers
CAS Number	420-46-2
3D model (Jmol)	Interactive image
ChemSpider	9484
ECHA InfoCard	100.006.361
EC Number	206-996-5
PubChem	9868
InChI InChI=1S/C2H3F3/c1-2(3,4)5/h1H3 Key: UJPMYEOUBPIPHQ-UHFFFAOYSA-N InChI=1/C2H3F3/c1-2(3,4)5/h1H3 Key: UJPMYEOUBPIPHQ-UHFFFAOYAD
SMILES FC(F)(F)C
Properties
Chemical formula	C2H3F3
Molar mass	84.04 g/mol
Appearance	Colourless gas
Density	3.7 kg/m^3 (gas)
Melting point	−111 °C (−168 °F; 162 K)
Boiling point	−47.6 °C (−53.7 °F; 225.6 K)
Vapor pressure	11 200 hPa (20 °C)
Hazards
EU classification (DSD)	Extremely flammable (F+)
R-phrases	R12
S-phrases	S9, S16, S33
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

1,1,1-Trifluoroethane, or R-143a or simply trifluoroethane, is a hydrofluorocarbon compound that is a clear, colorless gas. It should not be confused with the much more commonly used gas R-134a or 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 with a global warming potential of 4300, higher than many other commonly used HFC refrigerants.^[1]

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

References

1. MSDS for 1,1,1-trifluoroethane

1. "Refrigerants - Environmental Properties". The Engineering ToolBox. Retrieved 2016-09-12.