Chloropentafluoroethane

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Chloropentafluoroethane
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Names
Preferred IUPAC name
1-Chloro-1,1,2,2,2-pentafluoroethane
Other names
Freon 115, CFC-115, R-115, Fluorocarbon-115, Genetron 115, Halocarbon 115, Monochloropentafluoroethane
Identifiers
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3D model (JSmol)
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UN number 1020
  • InChI=1S/C2ClF5/c3-1(4,5)2(6,7)8 checkY
    Key: RFCAUADVODFSLZ-UHFFFAOYSA-N checkY
  • InChI=1/C2ClF5/c3-1(4,5)2(6,7)8
    Key: RFCAUADVODFSLZ-UHFFFAOYAH
  • FC(F)(F)C(Cl)(F)F
Properties
C2ClF5
Molar mass 154.466 g/mol
Appearance Colorless gas
Odor Ethereal
Melting point −99 °C (−146 °F; 174 K)
Boiling point −39.1 °C (−38.4 °F; 234.1 K)
59 mg/L
Vapor pressure 7.9 atm (21°C)[1]
Hazards
Flash point 70.4 °C (158.7 °F; 343.5 K)
NIOSH (US health exposure limits):
PEL (Permissible)
 none[1]
REL (Recommended)
 TWA 1000 ppm (6320 mg/m3)[1]
IDLH (Immediate danger)
 N.D.[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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Chloropentafluoroethane is a chlorofluorocarbon (CFC) once used as a refrigerant and also known as R-115 and CFC-115. Its production and consumption has been banned since 1 January 1996 under the Montreal Protocol because of its high ozone depletion potential and very long lifetime when released into the environment.[3] CFC-115 is also a potent greenhouse gas.

Atmospheric properties

The atmospheric abundance of CFC-115 rose from 8.4 parts per trillion (ppt) in year 2010 to 8.7 ppt in 2020 based on analysis of air samples gathered from sites around the world.[4]

Property Value
Ozone depletion potential (ODP) 0.44[5] (CCl3F = 1)
Global warming potential (GWP: 100-year) 5,860[6] - 7,670[7] (CO2 = 1)
Atmospheric lifetime 1,020[5] - 1,700[6] years

See also

References

  1. ^ a b c d Page Module:Citation/CS1/styles.css has no content.NIOSH Pocket Guide to Chemical Hazards. "#0131". National Institute for Occupational Safety and Health (NIOSH).
  2. ^ http://encyclopedia.airliquide.com/sds/en/030_AL_EN.pdf[permanent dead link]
  3. ^ Ozone Depleting Substances List (Montreal Protocol)
  4. ^ Page Module:Citation/CS1/styles.css has no content."AGAGE Data and Figures". Massachusetts Institute of Technology. Retrieved 2021-02-11.
  5. ^ a b Page Module:Citation/CS1/styles.css has no content.John S. Daniel; Guus J.M. Velders; A.R. Douglass; P.M.D. Forster; D.A. Hauglustaine; I.S.A. Isaksen; L.J.M. Kuijpers; A. McCulloch; T.J. Wallington (2006). "Chapter 8. Halocarbon Scenarios, Ozone Depletion Potentials, and Global Warming Potentials" (PDF). Scientific Assessment of Ozone Depletion: 2006. Geneva, Switzerland: World Meteorological Organization. Retrieved 9 October 2016.
  6. ^ a b Page Module:Citation/CS1/styles.css has no content."Chapter 8". AR5 Climate Change 2013: The Physical Science Basis. p. 731.
  7. ^ Page Module:Citation/CS1/styles.css has no content."Refrigerants - Environmental Properties". The Engineering ToolBox. Retrieved 2016-09-12.

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