Characteristics:

• HCFC
• Developed for use in commercial refrigeration and air conditioning applications
• R22 is an end of life refrigerant
• Australia has legislated a phase-out of HCFC, in line with obligations under the Montreal protocol. 
• R22 was discontinued for use in new air conditioning systems from 2010
• In 2029 imports and global manufacturing will cease

Applications:
Low, medium and high-temperature applications including:

• Air conditioning
• Commercial refrigeration
• Industrial refrigeration
• Cold storage room
• Heat pump

Alternatives:

• Retrofit alternatives include 407C, R422D and R438A
• Lower GWP alternatives for R22 include:
  • R134a
  • R404a
  • R410a
  • R32 
• Future alternatives include: 
  • R1234ze

Physical Properties:

• Transport cooling system
• Chemical Name: Chlorodifluoromethane
• Molecular Weight: 86.47 kg/kmol
• Boiling Point at 1.013 bar: -40.8°c
• Critical Temperature: 96.2 °c
• Critical Pressure: 4.99 mPa
• Density Liquid at 25°c: 1206 kg/m3

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