R407c is a hydrofluorocarbon (HFC) refrigerant gas blend used in air conditioning systems as a replacement for older refrigerants that contribute to ozone depletion.

R407c is a hydrofluorocarbon (HFC) refrigerant gas blend that is widely used in air conditioning systems. It is composed of three different refrigerants: R32, R125, and R134a. R407c was introduced as a replacement for older refrigerants, such as R22, which were found to contribute to ozone depletion. It has a lower Global Warming Potential (GWP) than some other refrigerants, which makes it an environmentally friendly alternative. It is a colorless, odorless gas that is non-toxic and non-flammable. R407c is commonly used in air conditioning systems for residential and commercial applications, such as hotels and office buildings, due to its efficient performance and safety.

General Information

Chemical Name
  • Difluoromethane, Pentafluoroethane, Tetrafluoroethane

Linear Formula
  • CH2F2, CF3CHF2, CH2FCF3

Refrigerant Class
  • HFC

  • R-407C

  • R-410A, R-134a, R-404A, R-507A

Physical Properties

Molecular Weight
  • 86.2 g/mol

Boiling Point
  • -43.8°C

Freezing Point
  • -159.4°C

Critical Temperature
  • 87.3°C

Vapor Pressure
  • 1.01 MPa (25°C)

Vapor Density
  • 3.46 (air = 1.0)

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

Water Solubility
  • 0.27 g/L (25°C)


  • Non-flammable

Flammability Range
  • None

Flash Point
  • Not applicable

Global Warming Potential (GWP)
  • 1774

Ozone Depletion Potential (ODP)
  • 0

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