R404a

R404a is a hydrofluorocarbon (HFC) refrigerant gas blend commonly used in commercial refrigeration and air conditioning systems as a replacement for older refrigerants that contribute to ozone depletion.

R404a is a hydrofluorocarbon (HFC) refrigerant gas blend that is commonly used in commercial refrigeration and air conditioning systems. It is composed of three different refrigerants: R125, R143a, and R134a. R404a was introduced as a replacement for older refrigerants, such as R22 and R502, which were found to contribute to ozone depletion. While R404a has a higher Global Warming Potential (GWP) than some other refrigerants, it is still considered to be an environmentally friendly alternative. It is a colorless, odorless gas that is non-toxic and non-flammable. R404a is widely used in supermarkets, refrigerated trucks, and other commercial applications due to its efficient performance and safety.

General Information

Chemical Name
  • Pentafluoroethane Trifluoroethane Tetrafluoroethane

Linear Formula
  • CF3CHF2, CF3CH3, CH2FCF3

Refrigerant Class
  • HFC

ASHRAE Number
  • R-404A

Substitutes
  • R-22, R502

Physical Properties

Molecular Weight
  • 97.6 g/mol

Boiling Point
  • -46.1°C

Freezing Point
  • -116.4°C

Critical Temperature
  • 72.1°C

Vapor Pressure
  • 1.26 MPa (25°C)

Vapor Density
  • 5.26 (air = 1.0)

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

Water Solubility
  • 0.13 g/L (25°C)

Environment

Flammability
  • Non-flammable

Flammability Range
  • None

Flash Point
  • Not applicable

Global Warming Potential (GWP)
  • 3922

Ozone Depletion Potential (ODP)
  • 0

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Our refrigerants are compliant to AHRI-700 standards.

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