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CFCs

Genetron® 12 (R-12)

U.S. production stopped December 31, 1995. A widely used refrigerant in reciprocating and rotary type equipment and in some centrifugal designs.

U.S. production stopped December 31, 1995. A widely used refrigerant in reciprocating and rotary type equipment and in some centrifugal designs.

General Information

  • Substitutes
    • R-134a
  • Application
    • Commercial A/C
    • Commercial Refrigeration
  • Refrigerant Type
    • Pure Fluid
  • Chemical Name
    • Dichlorodifluoromethane
  • ASHRAE Number
    • R-12
  • Typical Lubricant
    • Mineral Oil
  • Refrigerant Class
    • CFC

Physical Properties

  • Specific Heat of Liquid
    • 0.24 Btu/lb at 86 °F
  • Critical Pressure
    • 599.89 psia
  • Molecular Weight
    • 120.9 lbm/lbmol
  • Saturated Liquid Density
    • 81 lb/ft3 at 86 °F
  • Specific Heat of Vapor
    • 0.13 Btu/lb at 86 °F and 1 Atm, at Cp

Temperature

  • Boiling Point/Range
    • -21.6 °F at 1 Atm
  • Critical Temperature
    • 233.55 °F ASTM D-1321
  • Freezing Point
    • -252 °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

  • Substitutes
    • R-134a
  • Application
    • Commercial A/C
    • Commercial Refrigeration
  • Refrigerant Type
    • Pure Fluid
  • Chemical Name
    • Dichlorodifluoromethane
  • ASHRAE Number
    • R-12
  • Typical Lubricant
    • Mineral Oil
  • Refrigerant Class
    • CFC

Physical Properties

  • Specific Heat of Liquid
    • 0.24 Btu/lb at 86 °F
  • Critical Pressure
    • 599.89 psia
  • Molecular Weight
    • 120.9 lbm/lbmol
  • Saturated Liquid Density
    • 81 lb/ft3 at 86 °F
  • Specific Heat of Vapor
    • 0.13 Btu/lb at 86 °F and 1 Atm, at Cp

Temperature

  • Boiling Point/Range
    • -21.6 °F at 1 Atm
  • Critical Temperature
    • 233.55 °F ASTM D-1321
  • Freezing Point
    • -252 °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
  • Substitutes : R-134a
  • Application : Commercial A/C|Commercial Refrigeration
  • Refrigerant Type : Pure Fluid
  • Chemical Name : Dichlorodifluoromethane
  • ASHRAE Number : R-12
  • Typical Lubricant : Mineral Oil
  • Refrigerant Class : CFC
  • Specific Heat of Liquid : 0.24 Btu/lb at 86 °F
  • Critical Pressure : 599.89 psia
  • Molecular Weight : 120.9 lbm/lbmol
  • Saturated Liquid Density : 81 lb/ft3 at 86 °F
  • Specific Heat of Vapor : 0.13 Btu/lb at 86 °F and 1 Atm, at Cp
  • Boiling Point/Range : -21.6 °F at 1 Atm
  • Critical Temperature : 233.55 °F ASTM D-1321
  • Freezing Point : -252 °F at 1 Atm
  • Flammable Range : None, %vol. in air Based on ASHRAE Standard 34 with Match Ignition
  • ASHRAE Safety Classification : A1