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Genetron® 245fa

A non-ozone depleting candidate replacement for R-11 in centrifugal chillers. For new equipment.

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General Information

  • ASHRAE #R-245fa
  • ClassHFC
  • Refrigerant TypeSingle Component Fluid
  • Typical LubricantSynthetic (P)E, PVE, etc.)
  • SubstitutesCFC-11
  • NotesEquipment redesign, ORC heat transfer fluid

Physical Properties

  • Chemical NamePentafluoropropane
  • Chemical NotationCF3CH2CHF2
  • Molecular Weight (lbm/lbmol)134
  • Boiling Point @ 1 Atm, (°F)58.8
  • Freezing Point @ 1 Atm, (°F)-160
  • Critical Temperature (°F) (ASTM D-1321)309.29
  • Critical Pressure* (psia)527.94
  • Saturated Liquid Density @ 86°F, (lb/ft3)82.7
  • Specific Heat of Liquid @ 86°F, (Btu/lb•°F)0.32
  • Specific Heat of Vapor @ Constant Pressure* (Cp), @ 86° and 1 Atm, (Btu/lb•°F)0.2
  • Flammable range, %vol. in air (Based on ASHRAE Standard 34 with Match Ignition)None
  • ANSI/ASHRAE Standard 34-1992 Safety Group ClassificationB1