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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.

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

General Information

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

Physical Properties

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

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

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

Physical Properties

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

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
  • ASHRAE Number : R-502
  • Application : Commercial Refrigeration
  • Brand : Genetron®
  • Typical Lubricant : Mineral Oil
  • Contains : HCFC-22, CFC-115
  • Chemical Name : Chlorodifluoromethane, Chloropentafluoroethane
  • Specific Heat of Liquid : 0.29 Btu/lb at 86 °F
  • Saturated Liquid Density : 74.4 lb/ft3 at 86 °F
  • Specific Heat of Vapor : 0.15 Btu/lb at 86 °F and 1 Atm, at Cp
  • Molecular Weight : 111.6 lbm/lbmol
  • Critical Pressure : 568.2 psia
  • 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