Genetron® AZ-20®

Widely accepted to replace R-22 in air conditioning and refrigeration applications. For new equipment — not for retrofits.

Related TDS/SDS

General Information

  • ASHRAE #R-410A
  • ClassHFC
  • Refrigerant TypeAzeotropic mixture
  • Typical LubricantPOE
  • SubstitutesHCFC-22
  • ContainsHFC-32 (50%), HFC-125 (50%)
  • GlideNear zero glide
  • NotesHigh pressure, high efficiency refrigerant designed for new equipment. NOT FOR RETROFITTING.

Physical Properties

  • Chemical NameDifluoromethane, Pentafluoroethane
  • Chemical NotationCH2F2, CF3CHF2
  • Molecular Weight (lbm/lbmol)72.6
  • Boiling Point @ 1 Atm, (°F)-60.6
  • Freezing Point @ 1 Atm, (°F)-247
  • Critical Temperature (°F) (ASTM D-1321)160.44
  • Critical Pressure* (psia)711.07
  • Saturated Liquid Density @ 86°F, (lb/ft3)64.5
  • Specific Heat of Liquid @ 86°F, (Btu/lb•°F)0.42
  • Specific Heat of Vapor @ Constant Pressure* (Cp), @ 86° and 1 Atm, (Btu/lb•°F)0.17
  • Flammable range, %vol. in air (Based on ASHRAE Standard 34 with Match Ignition)None
  • ANSI/ASHRAE Standard 34-1992 Safety Group ClassificationA1