Chlorotrifluoroethylene

Chlorotrifluoroethylene^[1]
Names
	Preferred IUPAC name 1-Chloro-1,2,2-trifluoroethene
	Other names Chlorotrifluoroethene
Identifiers
CAS Number	79-38-9 ;
3D model (JSmol)	Interactive image;
ChemSpider	6345 ;
ECHA InfoCard	100.001.093
EC Number	201-201-8;
PubChem CID	6594;
RTECS number	KV0525000;
UNII	AF215GW34G ;
UN number	1082
CompTox Dashboard (EPA)	DTXSID3026485 ;
	InChI InChI=1S/C2ClF3/c3-1(4)2(5)6 Key: UUAGAQFQZIEFAH-UHFFFAOYSA-N ; InChI=1/C2ClF3/c3-1(4)2(5)6 Key: UUAGAQFQZIEFAH-UHFFFAOYAH;
	SMILES F/C(F)=C(/Cl)F;
Properties
Chemical formula	C2ClF3
Molar mass	116.47 g·mol−1
Appearance	Colorless gas
Odor	faint etheral odor
Density	1.54 g/cm3 at −60°C
Melting point	−158.2 °C (−252.8 °F; 115.0 K)
Boiling point	−27.8 °C (−18.0 °F; 245.3 K)
Solubility in water	4.01 g/100 mL
Solubility	soluble in benzene, chloroform
Magnetic susceptibility (χ)	-49.1·10−6 cm3/mol
Refractive index (nD)	1.38 (0 °C)
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H220, H280, H301, H331
Precautionary statements	P210, P261, P264, P270, P271, P301+P310, P304+P340, P311, P321, P330, P377, P381, P403, P403+P233, P405, P410+P403, P501
NFPA 704 (fire diamond)	3 4 3
Explosive limits	24-40.3%
Related compounds
Related compounds	Tetrafluoroethylene ; Bromotrifluoroethylene ; Trifluoroiodoethylene ; Dichlorodifluoroethylene ; ; Tetrachloroethylene
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
	(what is ?)
	Infobox references

Chlorotrifluoroethylene (CTFE) is a chlorofluorocarbon with chemical formula CFCl=CF₂. It is commonly used as a refrigerant in cryogenic applications. CTFE has a carbon-carbon double bond and so can be polymerized to form polychlorotrifluoroethylene or copolymerized to produce the plastic ECTFE. PCTFE has the trade name Neoflon PCTFE from Daikin Industries in Japan, and used to be produced under the trade name Kel-F from 3M Corporation in Minnesota.^[2]

Production and reactions[]

Chlorotrifluoroethylene is produced commercially by the dechlorination of 1,1,2-trichloro-1,2,2-trifluoroethane with zinc:^[3]

CFCl₂-CF₂Cl + Zn → CClF=CF₂ + ZnCl₂

In 2012, an estimated 1–10 million pounds were produced commercially in the United States.

The thermal dimerization of chlorotrifluoroethylene gives 1,2-dichloro-1,2,3,3,4,4-hexafluorocyclobutane.^[4] Dichlorination of the latter gives hexafluorocyclobutene.

References[]

^ Lide, David R. (1998). Handbook of Chemistry and Physics (87 ed.). Boca Raton, Florida: CRC Press. pp. 3–126. ISBN 0-8493-0594-2.
^ Aetna Plastics Corp. - Products. Services ... Solutions, Aetna Plastics Corp., pp. PCTFE / Kel–F® / Neoflon®, retrieved 3 February 2012
^ Siegemund, Günter; Schwertfeger, Werner; Feiring, Andrew; Smart, Bruce; Behr, Fred; Vogel, Herward; McKusick, Blaine (2002). "Fluorine Compounds, Organic". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a11_349.
^ Buxton, M. W.; Ingram, D. W.; Smith, F.; Stacey, M.; Tatlow, J. C. (1952). "The High-Temperature Dimerisation of Chlorotrifluoroethylene". Journal of the Chemical Society (Resumed): 3830. doi:10.1039/JR9520003830.

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[hand-1] Lide, David R. (1998). Handbook of Chemistry and Physics (87 ed.). Boca Raton, Florida: CRC Press. pp. 3–126. ISBN 0-8493-0594-2.

[2] Aetna Plastics Corp. - Products. Services ... Solutions, Aetna Plastics Corp., pp. PCTFE / Kel–F® / Neoflon®, retrieved 3 February 2012

[Ull-3] Siegemund, Günter; Schwertfeger, Werner; Feiring, Andrew; Smart, Bruce; Behr, Fred; Vogel, Herward; McKusick, Blaine (2002). "Fluorine Compounds, Organic". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a11_349.

[4] Buxton, M. W.; Ingram, D. W.; Smith, F.; Stacey, M.; Tatlow, J. C. (1952). "The High-Temperature Dimerisation of Chlorotrifluoroethylene". Journal of the Chemical Society (Resumed): 3830. doi:10.1039/JR9520003830.

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