Genetron® 404A

A non-ozone-depleting replacement for R-502 in low- and medium-temperature commercial refrigeration systems.

Related TDS/SDS

    General Information

    • ASHRAE #R-404A
    • ClassHFC
    • Refrigerant TypeBlend
    • Typical LubricantPOE
    • SubstitutesR-502, HCFC-22
    • ContainsHFC-125 (44%), HFC-143a (52%), HFC-134a (4%)
    • GlideLow
    • NotesMost widely used low- and medium-temperature replacement.

    Physical Properties

    • Chemical NamePentafluoroethane Trifluoroethane Tetrafluoroethane
    • Chemical NotationCF3CHF3, CF3CH3, CFcCH2F
    • Molecular Weight (lbm/lbmol)97.6
    • Boiling Point @ 1 Atm, (°F)-51.2
    • Critical Temperature (°F) (ASTM D-1321)161.88
    • Critical Pressure* (psia)540.82
    • Saturated Liquid Density @ 86°F, (lb/ft3)63.6
    • Specific Heat of Liquid @ 86°F, (Btu/lb•°F)0.38
    • Specific Heat of Vapor @ Constant Pressure* (Cp), @ 86° and 1 Atm, (Btu/lb•°F)0.19
    • Flammable range, %vol. in air (Based on ASHRAE Standard 34 with Match Ignition)None
    • ANSI/ASHRAE Standard 34-1992 Safety Group ClassificationA1