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CFCs

Genetron® 502 (R-502)

U.S. production stopped December 31, 1995. Genetron® 502 is an azeotropic mixture used in low-and medium-temperature refrigeration applications.

General Information

  • Typical Lubricant
    • Mineral Oil
  • Linear Formula
    • CHClF2, CClF2 CF3
  • ASHRAE Number
    • R-502
  • Brand
    • Genetron®
  • Chemical Name
    • Chlorodifluoromethane, Chloropentafluoroethane
  • Contains
    • HCFC-22, CFC-115
  • Application
    • Commercial Refrigeration

Physical Properties

  • Molecular Weight
    • 111.6 lbm/lbmol
  • Saturated Liquid Density
    • 74.4 lb/ft3 at 86 °F
  • Specific Heat of Liquid
    • 0.29 Btu/lb at 86 °F
  • Critical Pressure
    • 568.2 psia
  • Specific Heat of Vapor
    • 0.15 Btu/lb at 86 °F and 1 Atm, at Cp

Temperature

  • Critical Temperature
    • 176.28 °F (ASTM D-1321)
  • Boiling Point/Range
    • -49.3 °F at 1 Atm

Safety & Environment

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

Standards & Approvals

  • ASHRAE Safety Classification
    • A1

Other

  • Other Notes
    • U.S. production stopped December 31, 1995. Chlorofluorocarbon (CFC) products such as R-500 are no longer manufactured but are still used in a variety of systems, and service refrigerant is sometimes still available in reclaimed form in some developed countries including the United States. In countries operating under "Article" provisions of the Montreal protocol agreement, CFCs in virgin form are still available, although these countries are now beginning to implement CFC phase-outs. Consider R-402A, R-402B, R-408A, R-404A, R-507

General Information

  • Typical Lubricant
    • Mineral Oil
  • Linear Formula
    • CHClF2, CClF2 CF3
  • ASHRAE Number
    • R-502
  • Brand
    • Genetron®
  • Chemical Name
    • Chlorodifluoromethane, Chloropentafluoroethane
  • Contains
    • HCFC-22, CFC-115
  • Application
    • Commercial Refrigeration

Physical Properties

  • Molecular Weight
    • 111.6 lbm/lbmol
  • Saturated Liquid Density
    • 74.4 lb/ft3 at 86 °F
  • Specific Heat of Liquid
    • 0.29 Btu/lb at 86 °F
  • Critical Pressure
    • 568.2 psia
  • Specific Heat of Vapor
    • 0.15 Btu/lb at 86 °F and 1 Atm, at Cp

Temperature

  • Critical Temperature
    • 176.28 °F (ASTM D-1321)
  • Boiling Point/Range
    • -49.3 °F at 1 Atm

Safety & Environment

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

Standards & Approvals

  • ASHRAE Safety Classification
    • A1

Other

  • Other Notes
    • U.S. production stopped December 31, 1995. Chlorofluorocarbon (CFC) products such as R-500 are no longer manufactured but are still used in a variety of systems, and service refrigerant is sometimes still available in reclaimed form in some developed countries including the United States. In countries operating under "Article" provisions of the Montreal protocol agreement, CFCs in virgin form are still available, although these countries are now beginning to implement CFC phase-outs. Consider R-402A, R-402B, R-408A, R-404A, R-507
  • Typical Lubricant : Mineral Oil
  • Linear Formula : CHClF2, CClF2 CF3
  • ASHRAE Number : R-502
  • Brand : Genetron®
  • Chemical Name : Chlorodifluoromethane, Chloropentafluoroethane
  • Contains : HCFC-22, CFC-115
  • Application : Commercial Refrigeration
  • Molecular Weight : 111.6 lbm/lbmol
  • Saturated Liquid Density : 74.4 lb/ft3 at 86 °F
  • Specific Heat of Liquid : 0.29 Btu/lb at 86 °F
  • Critical Pressure : 568.2 psia
  • Specific Heat of Vapor : 0.15 Btu/lb at 86 °F and 1 Atm, at Cp
  • Critical Temperature : 176.28 °F (ASTM D-1321)
  • Boiling Point/Range : -49.3 °F at 1 Atm
  • Flammable Range : None, %vol. in air (Based on ASHRAE Standard 34 with Match Ignition)
  • ASHRAE Safety Classification : A1
  • Other Notes : U.S. production stopped December 31, 1995. Chlorofluorocarbon (CFC) products such as R-500 are no longer manufactured but are still used in a variety of systems, and service refrigerant is sometimes still available in reclaimed form in some developed countries including the United States. In countries operating under "Article" provisions of the Montreal protocol agreement, CFCs in virgin form are still available, although these countries are now beginning to implement CFC phase-outs. Consider R-402A, R-402B, R-408A, R-404A, R-507