R454B Refrigerant Specification
Technical Data Sheet(TDS) R32/R1234yf blend(Refrigerant R 454B) CH₂F₂ / CF₃CF=CH₂ R454B, and.
1 Product Identification
| Item | Value |
|---|---|
| Product Name | R454B Refrigerant |
| Chemical Name | R32/R1234yf blend（Refrigerant R 454B） |
| English Name | R32/R1234yf blend（Refrigerant R 454B） |
| Molecular Formula | CH₂F₂ / CF₃CF=CH₂ |
| Molecular Weight | approx. 72.58(Mixture) |
| CAS Registry Number | Mixture(75-10-5 / 754-12-1) |
| UN Number | 3163 |
| Transport Hazard Class | Class 2.1, flammable gas |
| ASHRAE Safety Classification | A2L(Low, 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
R454B Typicaldata, system and,.
| Item | Typical Value |
|---|---|
| Appearance | Colorless, transparent liquefied gas |
| Odor | Slight ethereal odour |
| Bubble point(101.3 kPa) | approx. -26.3 ℃ |
| (101.3 kPa) | approx. -26.2 ℃ |
| Temperature glide | < 0.1 ℃(Near-azeotropic) |
| Critical Temperature | approx. 81.5 ℃ |
| Critical Pressure | approx. 5.05 MPa |
| Vapor Pressure (25 C, absolute) | approx. 1.27 MPa |
| Liquid Density(25 ℃) | approx. 1,120 kg/m³ |
| Saturated Vapor Density(25 ℃) | approx. 36.0 kg/m³ |
| Latent heat of vaporisation (at bubble point) | approx. 285 kJ/kg |
| Liquid Specific Heat(25 ℃) | approx. 1.50 kJ/(kg K) |
| Vapor Specific Heat(25 ℃, 101.3 kPa) | approx. 0.90 kJ/(kg K) |
| Water Solubility(25 ℃) | Slightly soluble |
| Auto-Ignition Temperature | None (non-flammable) |
| Flammability Limits in Air (vol.%) | Non-flammable |
| OEL (8 h TWA) | 1000 ppm( R32 component basis) |
| Ozone Depletion Potential (ODP) | 0 |
| Global warming potential (GWP) GWP(100 years) | approx. 466 |
| Atmospheric Lifetime | approx. 5.9 years( R32 component basis) |
3 Quality Specifications & Test Methods
R454B 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 |
| Composition tolerance | ± 0.5 % | — |
| Moisture | ≤ 10 ppm | Karl Fischer coulometric method |
| Acidity( HCl ) | ≤ 0.1 ppm | Alkali absorption - potentiometric titration |
| Evaporation Residue | ≤ 0.01 % | Gravimetric method |
| Non-Condensable Gas | ≤ 1.5 % | Gas chromatography |
4 Comparison with Common Refrigerants
| Comparison Item | R454B(this product) | R410A | R32 |
|---|---|---|---|
| Composition | R32/R1234yf 68.9/31.1 | R32/R125 50/50 | Single compound CH₂F₂ |
| Bubble point | approx. -26.3 ℃ | approx. -51.6 ℃ | approx. -51.7 ℃ |
| Temperature glide | < 0.1 ℃(Near-azeotropic) | < 0.2 ℃ | Not applicable |
| ODP | 0 | 0 | 0 |
| GWP(100 years) | approx. 466 | approx. 2,088 | 675 |
| ASHRAE Safety Classification | A2L(Flammable) | A1 (non-flammable) | A2L(Flammable) |
| Relative charge | approx. R410A 75 % | Baseline 100 % | approx. R410A 70 % |
| Current selection | R410A low-GWP | Subject to quota phase-down | residential air conditioning refrigerant |
5 Packaging Specifications
| Package Type | Specification | Filling Ratio | Valve Connection | Application |
|---|---|---|---|---|
| disposable cylinder | 11.3 kg | ≤ 0.90 kg/L | W21.8-14 / CGA(perorder) | Servicing and trial quantities |
| steel cylinder | 400 kg | ≤ 0.90 kg/L | W21.8-14 | equipment and Itemsupply |
| cylinder pallet | Made to order | Per cylinder | W21.8-14 | Itemdistribution |
| ISO ISO tank | Made to order | per ISO tank | ISO tankconnection | Transport |
Filling Ratioper"", steel cylinderper.
6 Applications
- air conditioningsystem
- air conditioning and
- heat pumpunit
- R410A systemlow-GWP
Equipment Compatibility & Charging Advice
- R454B A2L Flammable refrigerant, charging and per ASHRAE 15 and EN 378.
- R410A, low-GWP;Operating pressureLow R410A, system.
- and open flamesleak detection, leak detection or leak detection.
- POE, R410A system and.
- R410A Refrigerant, per A2L ventilation and.
7 Storage & Transport
- Storage,, ventilation, 40 ℃, ignition source, heat source and.
- steel cylinder, and,,, and.
- A2L Flammable refrigerant, Flammable and explosion-proofventilation, equipmentperexplosion-proof.
- and oxygen, (,, )Flammable.
- and, Low 0.05 MPa.
- Transportper Danger 2.1 class, Firefighting and, and.
8 Safety & Handling
- Flammability and explosion riskR454B A2L Flammable refrigerant, Spillage confined space flammable mixture, open flames, High temperature or sparks Flammability and explosion risk, ASHRAE 15 charging and.
- leak detectionprecautionsand open flamesleak detection, leak detection or leak detection;open flames and sparks.
- Spillageignition sourceventilation,;Vapourheavier than air, low-lying areas.
- Firefightingor carbon dioxide Firefighting, steel cylinder. Spillage Flame.
- frostbite Protectionor frostbite, 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
R454B Why is A2L R410A A1？
R454B 31.1% R1234yf, R1234yf A2L Flammable refrigerant. R410A Non-flammable R125, A1. R454B GWP approx. 2,088 approx. 466, A1 Non-flammable, charging and ventilationper A2L.
R454B R410A ？
Refrigerant,; POE No..: per ASHRAE 15 and Maximum charge, ventilation and Spillage A2L. and.
R454B GWP approx. 466 EURegulations？
. EU F-Gas Regulations and air conditioning class equipment GWP 700～750, R454B approx. 466, R410A approx. 2,088. R454B residential air conditioning Main.
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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