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Forane® 409A

Forane R-409A cylinder

Forane® 409A (R-409A or FX-56) is a low ozone depleting blend of HCFC refrigerants R-22, R-124, and R-142b. R-409A is formulated to resemble the properties of R-12. Applications include many medium temperature refrigeration systems, vending machines, refrigerators, positive displacement chillers, humidifiers, and other systems using R-12 or R-500. Forane® 409A has properties and performance similar to R-12 and R-500. R-409A is ozone depleting and subject to phased out, according to the Montreal Protocol international treaty and the Clean Air Act in the United States.


CAS number
75-45-6, 2837-89-0, 75-68-3
Chemical name
Chlorodifluoromethane, 1-Chloro 1,1,2,2-Tetrafluoroethane, 2-Chloro 1,1,1,2-Tetrafluoroethane
Common name


  • Average molecular weight (g/mol) : 97.4
  • Normal boiling point (°F) : -30.0
  • Normal boiling point (°C) : -34.7
  • Critical temperature (°F): 228.7
  • Critical temperature (°C): 109.3
  • ASHRAE safety group classification : A1
  • Ozone depletion potential (ODP) : 0.05
  • Global warming potential (GWP) AR5 : 1,485



  • Cooling cases
  • Dehumidifiers
  • Freezers
  • Refrigerators
  • Vending machines
  • Wine coolers

Geographic availability

North America
South America


  • Air conditioning and refrigeration
    • Refrigeration