R1234yf Refrigerant Specification
Technical Data Sheet(TDS) 2,3,3,3-Tetrafluoropropene(HFO-1234yf) CF₃CF=CH₂ R1234yf, and.
1 Product Identification
| Item | Value |
|---|---|
| Product Name | R1234yf Refrigerant |
| Chemical Name | 2,3,3,3-Tetrafluoropropene（HFO-1234yf） |
| English Name | 2,3,3,3-Tetrafluoropropene（HFO-1234yf） |
| Molecular Formula | CF₃CF=CH₂ |
| Molecular Weight | 114.04 |
| CAS Registry Number | 754-12-1 |
| EINECS No. | 468-710-7 |
| UN Number | 3163 |
| Transport Hazard Class | Class 2.1, flammable gas |
| ASHRAE Safety Classification | A2L(Low toxicity, mildly flammable) |
| Reference Basis | Manufacturer data; the batch COA governs |
Reference Basis: Compiled from manufacturer data (safety classification per GB/T 7778, ASHRAE 34 / ISO 817)
2 Physical & Chemical Properties
R1234yf Typicaldata, system and,.
| Item | Typical Value |
|---|---|
| Appearance | Colorless, transparent liquefied gas |
| Odor | Faint, non-irritating |
| Boiling Point (101.3 kPa) | -29.4 ℃ |
| Freezing Point | -150 ℃ |
| Critical Temperature | 94.7 ℃ |
| Critical Pressure | 3.38 MPa |
| Critical Density | approx. 475 kg/m³ |
| Vapor Pressure (25 C, absolute) | 0.674 MPa |
| Liquid Density(25 ℃) | 1092 kg/m³ |
| Saturated Vapor Density(25 ℃) | 32.6 kg/m³ |
| Latent Heat of Vaporization (at boiling point) | approx. 180 kJ/kg |
| Liquid Specific Heat(25 ℃) | 1.39 kJ/(kg·K) |
| Vapor Specific Heat(25 ℃, 101.3 kPa) | 0.88 kJ/(kg·K) |
| Liquid Thermal Conductivity(25 ℃) | 0.075 W/(m·K) |
| Vapor Thermal Conductivity(25 ℃) | 0.0135 W/(m·K) |
| Liquid Viscosity(25 ℃) | 0.16 mPa·s |
| Vapor Viscosity(25 ℃) | 0.0118 mPa·s |
| Surface Tension(25 ℃) | 8.1 mN/m |
| Water Solubility(25 ℃) | Slightly soluble |
| Auto-Ignition Temperature | 405 ℃ |
| Flammability Limits in Air (vol.%) | 6.2 % ~ 12.3 % |
| Burning velocity | ≤ 10 cm/s（A2L） |
| OEL (8 h TWA) | 500 ppm |
| Ozone Depletion Potential (ODP) | 0 |
| GWP (100 yr, IPCC AR5) | < 1 |
| Atmospheric Lifetime | approx. 11 |
3 Quality Specifications & Test Methods
R1234yf Parameter, Batch COA.
| Item | Parameter | Test Method |
|---|---|---|
| Appearance | Colourless and clear, free of suspended matter and mechanical impurities | Visual inspection |
| Purity | ≥ 99.90 % | Gas chromatography GC-FID |
| Moisture | ≤ 10 ppm | Karl Fischer coulometric method |
| Acidity( HF ) | ≤ 0.1 ppm | Alkali absorption - potentiometric titration |
| Evaporation Residue | ≤ 0.01 % | Gravimetric method |
| Non-Condensable Gas(, 25 ℃) | ≤ 1.5 % | Gas chromatography |
| Oxygen content in vapour phase | ≤ 0.05 % | Gas chromatography |
| (Cl⁻) | Negative (pass) | Silver nitrate turbidimetry |
4 Comparison with Common Refrigerants
| Comparison Item | R1234yf(this product) | R134a | R513A |
|---|---|---|---|
| Composition | Single compound HFO-1234yf | Single compound CH₂FCF₃ | R1234yf/R134a 56/44 |
| ODP | 0 | 0 | 0 |
| GWP(100 years, AR5) | < 1 | 1430 | 573 |
| ASHRAE Safety Classification | A2L(Mildly flammable) | A1 | A1 |
| Boiling point | -29.4 ℃ | -26.3 ℃ | -29.0 ℃ |
| Relative cooling capacity | approx. 93 % ~ 98 % | Baseline 100 % | approx. 96 % ~ 100 % |
| Relative COP | Low, approx. -2 % ~ -5 % | Baseline | and R134a |
| Compatible lubricant | POE / PVE | POE | POE |
| equipment | per A2L (Spillage, explosion-proof) | Standard design | R134a equipment |
| Current selection | air conditioning Regulations | and commercial refrigerationexisting installed base | R134a low-GWP |
5 Packaging Specifications
| Package Type | Specification | Filling Ratio | Valve Connection | Application |
|---|---|---|---|---|
| disposable cylinder | 10 kg(customizable 5 kg / 20 kg) | ≤ 0.95 kg/L | W21.8-14(Dedicated connection) | air conditioning Servicing and small-batch use |
| steel cylinder | 400 kg(T ) | ≤ 0.95 kg/L | Dedicated connection | OEMsupply |
| cylinder pallet | 12 × 10 kg | Per cylinder | Dedicated connection | serviceservice networkdistribution |
| ISO ISO tank | approx. 18 t | per ISO tank | ISO tankconnection | and Transport |
Filling Ratioper"", steel cylinderper.
6 Applications
- passenger car and commercial vehicleair conditioningsystem
- electric vehicleheat pump and battery thermal management
- commercial refrigeration and Medium temperaturesystem(low-GWP Item)
- chiller and air conditioning(per A2L )
Equipment Compatibility & Charging Advice
- R1234yf A2L Mildly flammable refrigerant, equipmentper A2L: Spillage, ventilation and ignition sources, service A2L chargingrecovery equipment.
- R1234yf and R134a, R134a system compressor, and equipment A2L.
- POE or PVE, and;system and and R134a.
- air conditioningchargingper, recovery equipment, emissions.
- EU F-Gas Regulations GWP < 150 Spillage.
7 Storage & Transport
- Storage,, ventilation, 40 ℃, ignition source, heat source and.
- steel cylinder, and,,, and.
- A2L Mildly flammable refrigerant, Flammable and ventilation, equipmentperexplosion-proof.
- and oxygen, and (,, )Flammable.
- and, Low 0.05 MPa.
- Transportper Danger 2.1 class, Firefighting and, and.
8 Safety & Handling
- Flammability and explosion riskR1234yf A2L Mildly flammable refrigerant, Flammability limit 6.2 % ~ 12.3 %, Burning velocity 10 cm/s, confined space SpillageFlammability and explosion risk, open flames, High temperature or sparks.
- Spillageignition sourceventilation,;;leak detection or leak detection, open flamesleak detection.
- Firefightingor carbon dioxide Firefighting, steel cylinder. Spillage Flame,.
- Thermal decomposition riskopen flames or High temperature,, recovery refrigerantventilation.
- frostbite ProtectionLiquefied gasfrostbite, and;frostbite 40 ℃.
- Inhalation andVapourasphyxiation, and, fresh airoxygen;Eye contact 15.
9 Quality Assurance & Shipping Documents
- Batch COA, Purity( or ), Moisture, Acidity and Evaporation Residue.
- Moisture, and Low temperature.
- 12 months, Batch, No. and.
- perthird-party test report(SGS / ), SDS Description REACH, RoHS.
10 Frequently Asked Questions
R1234yf Can it directly replace R134a ？
. R1234yf A2L Mildly flammable refrigerant, Spillage and, R134a compressor, and equipment. serviceexisting installed base R134a, or EUper R1234yf.
Why is R1234yf GWP 1？
R1234yf,, Atmospheric Lifetimeapprox. 11, R134a approx. 14 years, years GWP 1, EU F-Gas Regulations(air conditioning GWP < 150) refrigerant.
R1234yf A2L What does it imply?
A2L Low toxicity, mildly flammable: Burning velocity 10 cm/s, A3 Propane, Isobutane, per Spillage, ventilation and ignition sources, service A2L charging, recovery and leak detection equipment.
R1234yf Shelf life?
steel cylinder, Storage, R1234yf Shelf Life 24 months., steel cylinder and.
Disclaimer
Specificationdata Typical,;Parameter Batch COA. and, or or, equipment and Regulations.
Specificationdata Typical,;Parameter Batch COA. and, or or, equipment and Regulations.
| Reviewed by: | Approved by: | Hubei Zhongjin Fluorine Chemical Co., Ltd.
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