Refrigerant gas · HFO, single component
R1234yf
Ultra-low-GWP HFO replacing R134a in new car ACs.
- GWP
- 4
- ODP
- 0
- Safety class
- A2L (mildly flammable)
Specifications
R1234yf properties.
| Chemical name | 2,3,3,3-Tetrafluoropropene (CF₃CF=CH₂) |
|---|---|
| Type | HFO, single component |
| Composition | 100% R1234yf |
| Ozone depletion potential (ODP) | 0 |
| Global warming potential (GWP, 100 yr) | 4 |
| Boiling point at 1 atm | −29.5 °C |
| Temperature glide | None |
| Safety class (ASHRAE 34) | A2L (mildly flammable) |
| Compatible oil | PAG (as specified by the vehicle maker) |
| Charging | Liquid or vapour, by weight |
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
- Only for systems designed for R1234yf; car AC service ports differ from R134a
- Mildly flammable: use A2L-rated equipment
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 |
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Need R1234yf?
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