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Genetron® 409A

An interim replacement for R-12 in refrigeration systems. For low- and medium-temperature retrofits.

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    General Information

    • ASHRAE #R-409A
    • ClassHCFC
    • Refrigerant TypeBlend
    • Typical LubricantAlkylbenzene
    • SubstitutesCFC-12
    • ContainsHCFC-22 (60%), HCFC-124 (25%), HCFC-142b (15%)
    • GlideHigh
    • NotesIn most cases, no oil changes is needed. Good broad range R-12 substitute.

    Physical Properties

    • Chemical NameChlorodifluoromethane, Chlorotetrafluoroethane, Chlorodifluoroethane
    • Chemical NotationCHClF2, CHClFCF3, CClF2CH3
    • Molecular Weight (lbm/lbmol)97.4
    • Boiling Point @ 1 Atm, (°F)-30
    • Critical Temperature (°F) (ASTM D-1321)228.66
    • Critical Pressure* (psia)682.66
    • Saturated Liquid Density @ 86°F, (lb/ft3)74.6
    • Specific Heat of Liquid @ 86°F, (Btu/lb•°F)0.3
    • Specific Heat of Vapor @ Constant Pressure* (Cp), @ 86° and 1 Atm, (Btu/lb•°F)0.15
    • Flammable range, %vol. in air (Based on ASHRAE Standard 34 with Match Ignition)None
    • ANSI/ASHRAE Standard 34-1992 Safety Group ClassificationA1