1,1,2,2-tetrafluoroethane

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Structural formula
Structural formula of 1,1,2,2-tetrafluoroethane
General
Surname 1,1,2,2-tetrafluoroethane
other names
  • R134
  • Freon 134
  • HFC-134
Molecular formula C 2 H 2 F 4
External identifiers / databases
CAS number 359-35-3
EC number 206-628-3
ECHA InfoCard 100.006.027
PubChem 9667
Wikidata Q2468529
properties
Molar mass 102.03 g mol −1
Physical state

gaseous

Melting point

−89 ° C

boiling point

−19.9 ° C

safety instructions
GHS labeling of hazardous substances
04 - gas bottle 07 - Warning

danger

H and P phrases H: 280-315-319-335
P: 261-264-271-280-302 + 352-304 + 340-305 + 351 + 338-312-321-332 + 313-337 + 313-362 + 364-403 + 233-405-410 + 403-501
Global warming potential

1337 (based on 100 years)

As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

1,1,2,2-Tetrafluoroethane is a chemical compound of fluorine from the group of fluorocarbons .

Extraction and presentation

1,1,2,2-Tetrafluoroethane can be obtained by hydrogenolysis of Cryofluoran .

use

In contrast to its isomer 1,1,1,2-tetrafluoroethane, 1,1,2,2-tetrafluoroethane is rarely used as a coolant because of its lower vapor pressure . It is used to foam polystyrene .

Individual evidence

  1. ^ A b David R. Lide: CRC Handbook of Chemistry and Physics, 85th Edition . CRC Press, 2004, ISBN 978-0-8493-0485-9 , pp. 6–145 ( limited preview in Google Book search).
  2. ↑ a b SynQuest Labs: 1,1,2,2-Tetrafluoroethane | SynQuest Labs, Inc. , accessed July 25, 2017.
  3. ↑ G. Myhre, D. Shindell et al .: Climate Change 2013: The Physical Science Basis . Working Group I contribution to the IPCC Fifth Assessment Report. Ed .: Intergovernmental Panel on Climate Change . 2013, Chapter 8: Anthropogenic and Natural Radiative Forcing, pp. 24-39; Table 8.SM.16 ( PDF ).
  4. ^ DD Eley, Herman Pines, Paul B. Weisz: Advances in Catalysis . Academic Press, 1993, ISBN 978-0-08-056543-9 , pp. 340 ( limited preview in Google Book search).
  5. ^ RE Banks, BE Smart, JC Tatlow: Organofluorine Chemistry Principles and Commercial Applications . Springer Science & Business Media, 2013, ISBN 978-1-4899-1202-2 , pp. 626 ( limited preview in Google Book search).
  6. ↑ United Nations: UNEP 2006 Report of the Rigid and Flexible Foams Technical Options Committee . United Nations Environment Program Ozone Secretariat, 2007, ISBN 978-92-807-2826-2 , pp. 24 ( limited preview in Google Book search).