An interim replacement for R-12 in refrigeration systems. For low- and medium-temperature retrofits.
Genetron® 409A
General Information
| Item | Specification |
|---|---|
| ASHRAE # | R-409A |
| Class | HCFC |
| Refrigerant Type | Blend |
| Typical Lubricant | Alkylbenzene |
| Substitutes | CFC-12 |
| Contains | HCFC-22 (60%), HCFC-124 (25%), HCFC-142b (15%) |
| Glide | High |
| Notes | In most cases, no oil changes is needed. Good broad range R-12 substitute. |
Physical Properties
| Property | Value |
|---|---|
| Chemical Name | Chlorodifluoromethane, Chlorotetrafluoroethane, Chlorodifluoroethane |
| Chemical Notation | CHClF2, CHClFCF3, CClF2CH3 |
| Molecular Weight | 97.4 |
| Boiling Point (°C) | -34.4 |
| Freezing Point (°C) | -17.8 |
| Critical Temperature (°C) | 109.3 |
| Critical Pressure (bar) | 46.99 |
| Liquid Density (kg/m³) 0°C | 1296.79 |
| Specific Heat of Liquid @ Constant Pressure @ 25°C (kJ/(kg.K)) | 1.2277 |
| Specific Heat of Vapor @ Constant Pressure @ 25°C (kJ/(kg.K)) | 0.8307 |
| Vapour Density (kg/m³) 25°C | 3.98 |
| GWP | 1585 |
| ODP | 0.046 |
| ATEL/ODL (kg/m³) | 0.12 |
| Practical Limit (kg/m³) | 0.16 |
| AIT (°C) | ND |
| Flammable range, %vol. in air (Based on ASHRAE Standard 34 with Match Ignition) | None |
| ANSIASHRAE Standard 36-1992 Safety Group Classification | A1 |