Genetron® 404A

A long-term non-ozone depleting replacement for R-502 and R-22 in low- and medium-temperature commercial refrigeration systems.

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General Information

Item Specification
Class HFC
Refrigerant Type Blend
Typical Lubricant POE
Substitutes R-502, HCFC-22
Contains HFC-125 (44%), HFC-143a (52%), HFC-134a (4%)
Glide Low
Notes Most widely used low- and medium-temperature replacement.

Physical Properties

Property Value
Chemical Name Pentafluoroethane Trifluoroethane Tetrafluoroethane
Chemical Notation CF3CHF3, CF3CH3, CFcCH2F
Molecular Weight 97.6
Boiling Point (°C) -46.2
Freezing Point (°C) Average -117.5
Critical Temperature (°C) 72.2
Critical Pressure (bar) 37.29
Liquid Density (kg/m³) 0°C 1150.01
Specific Heat of Liquid @ Constant Pressure @ 25°C (kJ/(kg.K)) 1.5423
Specific Heat of Vapor @ Constant Pressure @ 25°C (kJ/(kg.K)) 1.2214
Vapour Density (kg/m³) 25°C 3.99
GWP 3922
ODP Non-ozone depleting
ATEL/ODL (kg/m³) 0.52
Practical Limit (kg/m³) 0.52
AIT (°C) 728
Flammable range, %vol. in air (Based on ASHRAE Standard 34 with Match Ignition) None
ANSIASHRAE Standard 36-1992 Safety Group Classification A1
Download TDS (489 KB) | Download MSDS