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Forane® 507A

Forane® refrigerants for HVACR.

Forane® 507A (R-507A) is a non-ozone depleting, azeotropic blend of HFC refrigerants R-125 and R-143a. R-507A has properties that match those of R-502 closely, making it a good refrigerant for some medium and most low temperature refrigeration applications. Forane® 507A is approved by compressor and system manufacturers for use in new refrigeration equipment, such as food display and storage cases, cold storage rooms, transportation, and process refrigeration.


CAS number
420-46-2, 354-33-6
Chemical name
1,1,1-Trifluoroethane, Pentafluoroethane
Common name
R-507A, R-507


  • Average molecular weight (g/mol) : 98.9
  • Normal boiling point (°F) : -52.1
  • Normal boiling point (°C) : -47.0
  • Critical temperature (°F) : 159.1
  • Critical temperature (°C) : 70.6
  • ASHRAE safety group classification : A1
  • Ozone depletion potential (ODP) : 0
  • Global warming potential (GWP) : 3,985

Geographic availability



  • Air conditioning and refrigeration
    • Refrigeration
  • Automotive and transportation
    • Transportation