Chemistry:Chloropentafluoroethane

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Chloropentafluoroethane
Full displayed formula of chloropentafluoroethane
Space-filling model of the chloropentafluoroethane molecule
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
3D model (JSmol)
ChEMBL
ChemSpider
EC Number
  • 200-938-2
RTECS number
  • KH7877500
UNII
UN number 1020
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
Main hazards In high concentrations may cause asphyxiation.[2]
GHS pictograms GHS01: ExplosiveGHS07: Harmful
GHS Signal word Warning
H280, H420
P410+403, P502
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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Infobox references
Tracking categories (test):

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. 1.0 1.1 1.2 1.3 NIOSH Pocket Guide to Chemical Hazards. "#0131". National Institute for Occupational Safety and Health (NIOSH). https://www.cdc.gov/niosh/npg/npgd0131.html. 
  2. http://encyclopedia.airliquide.com/sds/en/030_AL_EN.pdf[yes|permanent dead link|dead link}}]
  3. Ozone Depleting Substances List (Montreal Protocol)
  4. "AGAGE Data and Figures". Massachusetts Institute of Technology. https://agage.mit.edu/data/agage-data. Retrieved 2021-02-11. 
  5. 5.0 5.1 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 et al. (2006). "Chapter 8. Halocarbon Scenarios, Ozone Depletion Potentials, and Global Warming Potentials". Scientific Assessment of Ozone Depletion: 2006. Geneva, Switzerland: World Meteorological Organization. http://www.esrl.noaa.gov/csd/assessments/ozone/2006/chapters/chapter8.pdf. Retrieved 9 October 2016. 
  6. 6.0 6.1 "Chapter 8". AR5 Climate Change 2013: The Physical Science Basis. p. 731. https://www.ipcc.ch/report/ar5/wg1/. 
  7. "Refrigerants - Environmental Properties". http://www.engineeringtoolbox.com/Refrigerants-Environment-Properties-d_1220.html. Retrieved 2016-09-12.