Refrigerant Briton R404a 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. |
Refrigerant Briton R404a Physical Properties
| Property | Value |
|---|---|
| Chemical Name | Pentafluoroethane Trifluoroethane Tetrafluoroethane |
| Chemical Notation | CF3CHF3, CF3CH3, CFcCH2F |
| Molecular Weight | 97.6 |
| Boiling Point @ 1 Atm, (°F) | -51.2 |
| Critical Temperature (°F) (ASTM D-1321) | 161.88 |
| Critical Pressure* (psia) | 540.82 |
| Saturated Liquid Density @ 86°F, (lb/ft3) | 63.6 |
| Specific Heat of Liquid @ 86°F, (Btu/lb•°F) | 0.38 |
| Specific Heat of Vapor @ Constant Pressure* (Cp), @ 86° and 1 Atm, (Btu/lb•°F) | 0.19 |
| Flammable range, %vol. in air (Based on ASHRAE Standard 34 with Match Ignition) | None |
| ANSIASHRAE Standard 36-1992 Safety Group Classification | A1 |
Rhodia Chemicals Ltd
19 St. Christophers Way
Patriot Way Business Park
Pride Park
DERBY
DE24 8JY
United Kingdom
Tel: +44 20 8123 1000
Tel: +44 736 7777 000