Genetron® MP39

An interim replacement for R-12 in medium-temperature commercial refrigeration systems. For medium-temperature retrofits.

Related TDS/SDS

General Information

  • ASHRAE #R-401A
  • ClassHCFC
  • Refrigerant TypeBlend
  • Typical LubricantAlkylbenzene
  • SubstitutesCFC-12
  • ContainsHCFC-22 (53%), HFC-152a (13%), HCFC-124 (34%)
  • GlideModerate
  • NotesIn most cases, no oil change is needed. Best for applications with >0 degrees F suction.

Physical Properties

  • Chemical NameChlorodifluoromethane, Difluoroethane, Chlorotetrafluoroethane
  • Chemical NotationCHClF2, CHF2CH3, CHClFCF3
  • Molecular Weight (lbm/lbmol)94.4
  • Boiling Point @ 1 Atm, (°F)-27.3
  • Critical Temperature (°F) (ASTM D-1321)225.22
  • Critical Pressure* (psia)668.3
  • Saturated Liquid Density @ 86°F, (lb/ft3)73.1
  • Specific Heat of Liquid @ 86°F, (Btu/lb•°F)0.31
  • Specific Heat of Vapor @ Constant Pressure* (Cp), @ 86° and 1 Atm, (Btu/lb•°F)0.16
  • Flammable range, %vol. in air (Based on ASHRAE Standard 34 with Match Ignition)None
  • ANSI/ASHRAE Standard 34-1992 Safety Group ClassificationA1