An interim replacement for R-12 in medium-temperature commercial refrigeration systems. For medium temperature retrofits.
Genetron® MP39
General Information
| Item | Specification |
|---|---|
| ASHRAE # | R-401A |
| Class | HCFC |
| Refrigerant Type | Blend |
| Typical Lubricant | Alkylbenzene |
| Substitutes | CFC-12 |
| Contains | HCFC-22 (53%), HFC-152a (13%), HCFC-124 (34%) |
| Glide | Moderate |
| Notes | In most cases, no oil change is needed. Best for applications with >0 degrees F suction. |
Physical Properties
| Property | Value |
|---|---|
| Chemical Name | Chlorodifluoromethane, Difluoroethane, Chlorotetrafluoroethane |
| Chemical Notation | CHClF2, CHF2CH3, CHClFCF3 |
| Molecular Weight | 94.4 |
| Boiling Point (°C) | -32.9 |
| Freezing Point (°C) | -17.8 |
| Critical Temperature (°C) | 107.3 |
| Critical Pressure (bar) | 46.07 |
| Liquid Density (kg/m³) 0°C | 1272.1 |
| Specific Heat of Liquid @ Constant Pressure @ 25°C (kJ/(kg.K)) | 1.286 |
| Specific Heat of Vapor @ Constant Pressure @ 25°C (kJ/(kg.K)) | 0.8835 |
| Vapour Density (kg/m³) 25°C | 3.86 |
| GWP | 1182 |
| ODP | 0.033 |
| ATEL/ODL (kg/m³) | 0.1 |
| Practical Limit (kg/m³) | 0.3 |
| AIT (°C) | 681 |
| Flammable range, %vol. in air (Based on ASHRAE Standard 34 with Match Ignition) | None |
| ANSIASHRAE Standard 36-1992 Safety Group Classification | A1 |