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Genetron® 123

Due for phase-out in 2030. A very low ozone depleting compound that serves as a replacement for R-11 in centrifugal chillers. For new equipment and retrofits.

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    General Information

    • ASHRAE #R-123
    • ClassHCFC
    • Refrigerant TypeSingle Component Fluid
    • Typical LubricantAlkylbenzene
    • SubstitutesCFC-11
    • NotesDue for phase-out in 2030. Consider Genetron 245fa.

    Physical Properties

    • Chemical NameDichlorotrifluoroethane
    • Chemical NotationCHCl2, CF3
    • Molecular Weight (lbm/lbmol)152.9
    • Boiling Point @ 1 Atm, (°F)82.1
    • Freezing Point @ 1 Atm, (°F)-160.6
    • Critical Temperature (°F) (ASTM D-1321)362.63
    • Critical Pressure* (psia)531.1
    • Saturated Liquid Density @ 86°F, (lb/ft3)90.6
    • Specific Heat of Liquid @ 86°F, (Btu/lb•°F)0.25
    • 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 ClassificationB1