A long-term non-ozone depleting replacement for R-502 and R-22 in low- and medium-temperature commercial refrigeration systems.
Genetron® 404A
General Information
| Item | Specification |
|---|---|
| ASHRAE # | R-404A |
| 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 |