Refrigerant gas · HFC blend, azeotropic
R507A
Azeotropic blend for low temperature cold storage and freezers.
- GWP
- 3985
- ODP
- 0
- Safety class
- A1 (non-flammable)
Specifications
R507A properties.
| Chemical name | Blend of R125 and R143a |
|---|---|
| Type | HFC blend, azeotropic |
| Composition | R125 / R143a (50 / 50 by weight) |
| Ozone depletion potential (ODP) | 0 |
| Global warming potential (GWP, 100 yr) | 3985 |
| Boiling point at 1 atm | −47.1 °C |
| Temperature glide | None (azeotrope) |
| Safety class (ASHRAE 34) | A1 (non-flammable) |
| Compatible oil | POE (polyolester) |
| Charging | Liquid recommended |
GWP values are 100-year figures from the IPCC Fourth Assessment Report (AR4), as used in most regulations. Check the cylinder label and your unit's nameplate before charging.
Applications
Where it's used.
Brands we supply
Handling notes
- Behaves like a single gas, so small top-ups do not shift the blend
- Often used interchangeably with R404A in low temperature systems; check the compressor's approval first
Compare
All refrigerant gases we supply.
Always use the refrigerant your system was designed for. Mixing gases or charging the wrong one can damage the compressor.
| Gas | Type | GWP | Safety | Typical use |
|---|---|---|---|---|
| R32 | HFC, single component | 675 | A2L | Inverter and fixed-speed split ACs |
| R410A | HFC blend, near-azeotropic | 2088 | A1 | Split and multi-split ACs |
| R22 | HCFC, single component | 1810 | A1 | Older split and window ACs |
| R407C | HFC blend, zeotropic | 1774 | A1 | Package and ductable units |
| R134a | HFC, single component | 1430 | A1 | Screw and centrifugal chillers |
| R404A | HFC blend, near-azeotropic | 3922 | A1 | Cold rooms and cold storage |
| R507A | HFC blend, azeotropic | 3985 | A1 | Low temperature cold storage |
| R454B | HFO / HFC blend | 466 | A2L | New ductable and package units |
| R290 (propane) | Hydrocarbon (HC), natural refrigerant | 3 | A3 | Energy-efficient split ACs designed for R290 |
| R600a (isobutane) | Hydrocarbon (HC), natural refrigerant | 3 | A3 | Domestic refrigerators |
| R1234yf | HFO, single component | 4 | A2L | New car ACs |
Get a quote
Need R507A?
Your enquiry is prefilled with this gas. Tell us the cylinder size or quantity, or book a gas top-up and leak check with our technicians.
