Genetron® AZ-20®

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

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General Information

Item Specification
Class HFC
Refrigerant Type Azeotropic mixture
Typical Lubricant POE
Substitutes HCFC-22
Contains HFC-32 (50%), HFC-125 (50%)
Glide Near zero glide
Notes High pressure, high efficiency refrigerant designed for new equipment. NOT FOR RETROFITTING.

Physical Properties

Property Value
Chemical Name Difluoromethane, Pentafluoroethane
Chemical Notation CH2F2, CF3CHF2
Molecular Weight 72.6
Boiling Point (°C) -51.4
Freezing Point (°C) -155.0
Critical Temperature (°C) 71.4
Critical Pressure (bar) 49.02
Liquid Density (kg/m³) 0°C 1169.98
Specific Heat of Liquid @ Constant Pressure @ 25°C (kJ/(kg.K)) 1.7082
Specific Heat of Vapor @ Constant Pressure @ 25°C (kJ/(kg.K)) 1.4455
Vapour Density (kg/m³) 25°C 2.97
GWP 2088
ODP Non-ozone depleting
ATEL/ODL (kg/m³) 0.42
Practical Limit (kg/m³) 0.44
Flammable range, %vol. in air (Based on ASHRAE Standard 34 with Match Ignition) None
ANSIASHRAE Standard 36-1992 Safety Group Classification A1
Download TDS (1 MB) | Download MSDS