R410a is a hydrofluorocarbon (HFC) refrigerant gas blend used in air conditioning systems as a replacement for older refrigerants that contribute to ozone depletion.

R410a is a hydrofluorocarbon (HFC) refrigerant gas blend commonly used in air conditioning systems. It is composed of two different refrigerants, R32 and R125. R410a was introduced as a replacement for older refrigerants, such as R22, which were found to contribute to ozone depletion. 

It has a higher cooling capacity and energy efficiency than some other refrigerants, which makes it a popular choice for air conditioning systems. R410a is a colorless, odorless gas that is non-toxic and non-flammable. 

It is widely used in residential and commercial air conditioning systems due to its efficient performance and safety. However, it has a higher Global Warming Potential (GWP) than some other refrigerants, which has led to the development of alternative refrigerants.

General Information


  • R410a

Refrigerant Class

  • HCFC

Refrigerant Type

  • Single

Linear Formula

  • CHClF2

Chemical Name

  • Chlorodifluoromethane


  • R-12, R-502


Physical Properties

Molecular Weight
  • 72.6 g/mol

Boiling Point
  • -51.6°C

Critical Temperature
  • 72.5°C

Vapor Pressure
  • 1.88 MPa (25°C)

Vapor Density
  • 2.9 (air = 1.0)

Relative Density
  • 1.01 g/cm³ (liquid at 25°C)


  • Non-flammable

Flammability Range
  • None

Global Warming Potential (GWP)
  • 2088

Ozone Depletion Potential (ODP)
  • 0

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