R507c is a hydrofluorocarbon (HFC) refrigerant gas blend used in commercial refrigeration systems as a replacement for older refrigerants that contribute to ozone depletion.

R507c is a hydrofluorocarbon (HFC) refrigerant gas blend commonly used in commercial refrigeration systems. It is composed of two different refrigerants, R125 and R143a. R507c was introduced as a replacement for older refrigerants, such as R22 and R502, which were found to contribute to ozone depletion. R507c 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. R507c is widely used in commercial refrigeration applications, such as walk-in coolers and freezers, due to its efficient performance and safety.

General Information

Chemical Name
  • Pentafluoroethane, Trifluoroethane

Linear Formula
  • CF3CHF2 ,CH3CF3

Refrigerant Class
  • HFC

  • R-507A

  • R-404A, R-407A

Physical Properties

Molecular Weight
  • 98.9 g/mol

Boiling Point
  • -46.7°C

Freezing Point
  • -107.7°C

Critical Temperature
  • 71.8°C

Vapor Pressure
  • 0.97 MPa (25°C)

Vapor Density
  • 4.61 (air = 1.0)

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

Water Solubility
  • 0.02 g/L (25°C)


  • Non-flammable

Flammability Range
  • None

Flash Point
  • Not applicable

Global Warming Potential (GWP)
  • 3985

Ozone Depletion Potential (ODP)
  • 0

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