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Genetron® 23

A specialty low temperature refrigerant that may be used to replace R-13 and R-503 in the low stage of cascade systems. For new equipment and retrofits.

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General Information

  • ASHRAE #R-23
  • ClassHFC
  • Refrigerant TypeSingle Component
  • Typical LubricantPOE
  • SubstitutesCFC-13 / R-503
  • NotesHigher discharge temperatures than R-13 or R-508B.

Physical Properties

  • Chemical NameTrifluoromethane
  • Chemical NotationCHF3
  • Molecular Weight (lbm/lbmol)70
  • Boiling Point @ 1 Atm, (°F)-115.6
  • Freezing Point @ 1 Atm, (°F)-247
  • Critical Temperature (°F) (ASTM D-1321)79.057
  • Critical Pressure* (psia)700.82
  • Saturated Liquid Density @ 86°F, (lb/ft3)77.6 @ -30°F
  • Specific Heat of Liquid @ 86°F, (Btu/lb•°F)0.34 @ -30°F
  • Specific Heat of Vapor @ Constant Pressure* (Cp), @ 86° and 1 Atm, (Btu/lb•°F)0.13 @ -30°F
  • Flammable range, %vol. in air (Based on ASHRAE Standard 34 with Match Ignition)None
  • ANSI/ASHRAE Standard 34-1992 Safety Group ClassificationNot classified