Physical and Chemical Properties

Chemical Name Difloumethane
Chemical Formula CH2F2
Molecular Weight 52 g/mol
Appearance Colorless
Odor Ethereal
Boiling Point – 57,7 °C @ 1,013 bar
Vapor Pressure 13,8 Bar @ 20 °C
31,4 Bar @ 50 °C


R32 refrigerant is also known as difluoromethane and belongs to the HFC family of refrigerant. This gas is poised to replace the other gaseous such as R-410A and R-407C as the preferred gas due to its lower Global Warming Potential. Its chemical formula is CH2F2.

The Benefits

  • Zero ODP
  • One third of R-410A GWP.
  • Required less charge as it has a 20% higher volumetric capacity.
  • Similar saturated pressure hence development is easier.
  • Higher critical temperature hence higher COP.
  • Lower density hence the amount of charge required is smaller.
  • Single component of gas, therefore it is easier to be produced and managed.


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