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Genetron® HFCs

Genetron® 422D - (R-422D)

A long-term non-ozone depleting replacement for R-22 in low- and medium-temperature commercial refrigeration systems. Suitable for direct expansion evaporators. Do not use in systems that employ flooded evaporators. For new equipment and retrofits.

Overview
A long-term non-ozone depleting replacement for R-22 in low- and medium-temperature commercial refrigeration systems. Suitable for direct expansion evaporators. Do not use in systems that employ flooded evaporators. For new equipment and retrofits.
Specifications

General Information

  • Application
    • Commercial A/C
    • Commercial Refrigeration
    • Residential A/C
    • Retrofit
  • ASHRAE Number
    • R-422D
  • Brand
    • Genetron®
  • Chemical Name
    • Isobutane
    • Pentafluoroethane
    • Tetrafluoroethane
  • Contains
    • HFC-125 (65.1%), HFC-134a (31.5%), HC-600a (3.4%)
  • Glide
    • Moderate
  • Linear Formula
    • CF3CHF2, CF3CH2F, (CH3)3CH
  • Refrigerant Class
    • HFC
  • Refrigerant Type
    • Blend
  • Replaces
    • R-22
  • Substitutes
    • HCFC-22
  • Typical Lubricant
    • Mineral Oil

Physical Properties

  • Critical Pressure
    • 566.22 psia
  • Molecular Weight
    • 109.9 lbm/lbmol
  • Saturated Liquid Density
    • 70.87 lb/ft3 at 86 °F
  • Specific Heat of Liquid
    • 0.35 Btu/lb at 86 °F
  • Specific Heat of Vapor
    • 0.2 Btu/lb at 86 °F and 1 Atm, at Cp

Temperature

  • Boiling Point/Range
    • -45.76 °F at 1 Atm
  • Critical Temperature
    • 175.2 °F (ASTM D-1321)

Safety & Environment

  • Flammable Range
    • None, %vol. in air (Based on ASHRAE Standard 34 with Match Ignition)
  • Global Warming Potential
    • 2733

Standards & Approvals

  • ASHRAE Safety Classification
    • A1

General Information

  • Application
    • Commercial A/C
    • Commercial Refrigeration
    • Residential A/C
    • Retrofit
  • ASHRAE Number
    • R-422D
  • Brand
    • Genetron®
  • Chemical Name
    • Isobutane
    • Pentafluoroethane
    • Tetrafluoroethane
  • Contains
    • HFC-125 (65.1%), HFC-134a (31.5%), HC-600a (3.4%)
  • Glide
    • Moderate
  • Linear Formula
    • CF3CHF2, CF3CH2F, (CH3)3CH
  • Refrigerant Class
    • HFC
  • Refrigerant Type
    • Blend
  • Replaces
    • R-22
  • Substitutes
    • HCFC-22
  • Typical Lubricant
    • Mineral Oil

Physical Properties

  • Critical Pressure
    • 566.22 psia
  • Molecular Weight
    • 109.9 lbm/lbmol
  • Saturated Liquid Density
    • 70.87 lb/ft3 at 86 °F
  • Specific Heat of Liquid
    • 0.35 Btu/lb at 86 °F
  • Specific Heat of Vapor
    • 0.2 Btu/lb at 86 °F and 1 Atm, at Cp

Temperature

  • Boiling Point/Range
    • -45.76 °F at 1 Atm
  • Critical Temperature
    • 175.2 °F (ASTM D-1321)

Safety & Environment

  • Flammable Range
    • None, %vol. in air (Based on ASHRAE Standard 34 with Match Ignition)
  • Global Warming Potential
    • 2733

Standards & Approvals

  • ASHRAE Safety Classification
    • A1
  • Replaces : R-22
  • Chemical Name : Isobutane|Pentafluoroethane|Tetrafluoroethane
  • Brand : Genetron®
  • Typical Lubricant : Mineral Oil
  • Substitutes : HCFC-22
  • Refrigerant Class : HFC
  • Glide : Moderate
  • Linear Formula : CF3CHF2, CF3CH2F, (CH3)3CH
  • Application : Commercial A/C|Commercial Refrigeration|Residential A/C|Retrofit
  • Refrigerant Type : Blend
  • ASHRAE Number : R-422D
  • Contains : HFC-125 (65.1%), HFC-134a (31.5%), HC-600a (3.4%)
  • Saturated Liquid Density : 70.87 lb/ft3 at 86 °F
  • Molecular Weight : 109.9 lbm/lbmol
  • Specific Heat of Vapor : 0.2 Btu/lb at 86 °F and 1 Atm, at Cp
  • Specific Heat of Liquid : 0.35 Btu/lb at 86 °F
  • Critical Pressure : 566.22 psia
  • Critical Temperature : 175.2 °F (ASTM D-1321)
  • Boiling Point/Range : -45.76 °F at 1 Atm
  • Global Warming Potential : 2733
  • Flammable Range : None, %vol. in air (Based on ASHRAE Standard 34 with Match Ignition)
  • ASHRAE Safety Classification : A1