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Genetron® 22

Operated with higher system pressures but low compressor displacement. Popular in residential, commercial and industrial applications. Will be phased out in the U.S. by 2020.

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General Information

  • ASHRAE #R-22
  • ClassHCFC
  • Refrigerant TypePure Fluid
  • Typical LubricantMineral Oil
  • SubstitutesCFC-12, R-502
  • NotesBeing phased out globally. Consider: Genetron Performax LT (R-407F), Genetron 422D, Genetron 407C, Genetron AZ-50 (R-507)

Physical Properties

  • Chemical NameChlorodifluoromethane
  • Chemical NotationCHClF2
  • Molecular Weight (lbm/lbmol)86.5
  • Boiling Point @ 1 Atm, (°F)-41.5
  • Freezing Point @ 1 Atm, (°F)-256
  • Critical Temperature (°F) (ASTM D-1321)205.06
  • Critical Pressure* (psia)723.74
  • Saturated Liquid Density @ 86°F, (lb/ft3)73.1
  • Specific Heat of Liquid @ 86°F, (Btu/lb•°F)0.31
  • Specific Heat of Vapor @ Constant Pressure* (Cp), @ 86° and 1 Atm, (Btu/lb•°F)0.13
  • Flammable range, %vol. in air (Based on ASHRAE Standard 34 with Match Ignition)None
  • ANSI/ASHRAE Standard 34-1992 Safety Group ClassificationA1