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 hydrochlorofluorocarbons, 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
CAS Number	75-88-7[1]
3D model (JSmol)	Interactive image
ChEBI	CHEBI:82423
ChemSpider	6168 Y
ECHA InfoCard	100.000.830
EC Number	200-912-0200-912-0
PubChem CID	6408
RTECS number	KH8008500
UNII	H86O899T9B
UN number	1983
CompTox Dashboard (EPA)	DTXSID5020289
InChI InChI=1S/C2H2ClF3/c3-1-2(4,5)6/h1H2 Key: CYXIKYKBLDZZNW-UHFFFAOYSA-N
SMILES C(C(F)(F)F)Cl
Properties
Chemical formula	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)
Solubility in water	0.89 g/l
Refractive index (nD)	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). N (what is YN ?) Infobox references

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