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Names | |||
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Preferred IUPAC name
1,1,2,2-tetrafluoroethane | |||
Other names
R-134, HFC-134, Freon 134
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Identifiers | |||
3D model (JSmol)
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ChemSpider | |||
ECHA InfoCard | 100.006.027 | ||
EC Number |
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PubChem CID
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UNII | |||
CompTox Dashboard (EPA)
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Properties | |||
C2H2F4 | |||
Molar mass | 102.032 g·mol−1 | ||
Appearance | Colorless gas | ||
Melting point | −89 °C (−128 °F; 184 K) [2] | ||
Boiling point | −19.9 °C (−3.8 °F; 253.2 K) [1] | ||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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1,1,2,2-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.[3]