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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.

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

General Information

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

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

General Information

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

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