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1,1,2,2-Tetrafluoroethane

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1,1,2,2-Tetrafluoroethane
Structure
Structure
3-D structure
3-D structure
Names
Preferred IUPAC name 1,1,2,2-tetrafluoroethane
Other names R-134, HFC-134, Freon 134
Identifiers
CAS Number
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.006.027 Edit this at Wikidata
EC Number
  • 206-628-3
PubChem CID
UNII
CompTox Dashboard (EPA)
InChI
  • InChI=1S/C2H2F4/c3-1(4)2(5)6/h1-2HKey: WXGNWUVNYMJENI-UHFFFAOYSA-N
SMILES
  • C(C(F)F)(F)F
Properties
Chemical formula C2H2F4
Molar mass 102.032 g·mol
Appearance Colorless gas
Melting point −89 °C (−128 °F; 184 K)
Boiling point −19.9 °C (−3.8 °F; 253.2 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references
Chemical compound

1,1,2,2-Tetrafluoroethane (also called R-134 or HFC-134) is a hydrofluorocarbon, a fluorinated alkane. It is an isomer of the more-used 1,1,1,2-tetrafluoroethane (R-134a). It is used as a foam expansion agent and heat transfer fluid.

References

  1. David R. Lide: CRC Handbook of Chemistry and Physics, 85th Edition. CRC Press, 2004, ISBN 0-8493-0485-7
  2. "1,1,2,2-Tetrafluoroethane", CAS Common Chemistry, CAS, a division of the American Chemical Society. Accessed 2024-01-08.
  3. "1,1,2,2-Tetrafluoroethane (HFC-134) (2018)", Toxicology and Industrial Health, 35, #3 (March 2019), pp. 196-203, doi:10.1177/0748233719825528.
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