R404A Refrigerant Specification
Technical Data Sheet(TDS) R-404A(HFC blend) CHF₂CF₃ / CF₃CH₂F / CH₂FCF₃( 44/52/4) R404A, and.
1 Product Identification
| Item | Value |
|---|---|
| Product Name | R404A Refrigerant |
| Chemical Name | R-404A（HFC blend） |
| English Name | R-404A（HFC blend） |
| Molecular Formula | CHF₂CF₃ / CF₃CH₂F / CH₂FCF₃( 44/52/4) |
| Molecular Weight | 97.60 |
| CAS Registry Number | 354-33-6 / 420-46-2 / 811-97-2 |
| EINECS No. | 206-557-8 / 206-996-5 / 212-377-0 |
| UN Number | 3337 |
| Transport Hazard Class | Class 2.2, non-flammable gas |
| ASHRAE Safety Classification | A1(Low toxicity, non-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
R404A Typicaldata, system and,.
| Item | Typical Value |
|---|---|
| Appearance | Colorless, transparent liquefied gas |
| Odor | Slight ethereal odor, non-irritating |
| Bubble point(101.3 kPa) | -46.5 ℃ |
| (101.3 kPa) | -45.7 ℃ |
| Temperature glide | approx. 0.8 ℃(Near-azeotropic) |
| Critical Temperature | 72.1 ℃ |
| Critical Pressure | 3.73 MPa |
| Critical Density | approx. 485 kg/m³ |
| Vapor Pressure (25 C, absolute) | 1.25 MPa |
| Liquid Density(25 ℃) | 1048 kg/m³ |
| Saturated Vapor Density(25 ℃) | 47.5 kg/m³ |
| Latent heat of vaporisation (at bubble point) | approx. 200 kJ/kg |
| Liquid Specific Heat(25 ℃) | 1.53 kJ/(kg·K) |
| Vapor Specific Heat(25 ℃, 101.3 kPa) | 0.85 kJ/(kg·K) |
| Liquid Thermal Conductivity(25 ℃) | 0.084 W/(m·K) |
| Vapor Thermal Conductivity(25 ℃) | 0.0145 W/(m·K) |
| Liquid Viscosity(25 ℃) | 0.15 mPa·s |
| Vapor Viscosity(25 ℃) | 0.0132 mPa·s |
| Surface Tension(25 ℃) | 7.6 mN/m |
| Water Solubility(25 ℃) | Slightly soluble |
| Auto-Ignition Temperature | Not applicable (non-flammable) |
| Flammability Limits in Air (vol.%) | None (non-flammable) |
| OEL (8 h TWA) | 1000 ppm |
| Ozone Depletion Potential (ODP) | 0 |
| GWP (100 yr, IPCC AR5) | 3922 |
| Atmospheric Lifetime | approx. 30 years(per) |
3 Quality Specifications & Test Methods
R404A 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 | R125 ±1.0 %, R143a ±1.0 %, R134a ±0.5 % | Gas chromatography GC-FID |
| 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(, 25 ℃) | ≤ 1.5 % | Gas chromatography |
| (Cl⁻) | Negative (pass) | Silver nitrate turbidimetry |
4 Comparison with Common Refrigerants
| Comparison Item | R404A(this product) | R507 | R452A |
|---|---|---|---|
| Composition | R125/R143a/R134a 44/52/4 | R125/R143a 50/50 | R32/R125/R1234yf 11/59/30 |
| ODP | 0 | 0 | 0 |
| GWP(100 years, AR5) | 3922 | 3985 | 1945 |
| ASHRAE Safety Classification | A1 | A1 | A1 |
| Temperature glide | approx. 0.8 ℃ | 0 ℃(Azeotropic) | approx. 3 ℃ |
| Typical evaporating temperature | -45 ℃ ~ -30 ℃ | -45 ℃ ~ -30 ℃ | -45 ℃ ~ -30 ℃ |
| Relative cooling capacity | Baseline 100 % | Slightly higher, approx. +2 % ~ +5 % | and R404A |
| Compatible lubricant | POE | POE | POE |
| Retrofit feasibility | existing installed baseLow temperaturesystem refrigerant | and R404A | low-GWP Alternatives |
| Current selection | Low temperatureexisting installed base | Low temperaturesystem | R404A low-GWP |
5 Packaging Specifications
| Package Type | Specification | Filling Ratio | Valve Connection | Application |
|---|---|---|---|---|
| disposable cylinder | 10.9 kg(customizable 9.5 kg) | ≤ 0.85 kg/L | W21.8-14(customizable CGA / DIN) | Servicing and small-batch use |
| steel cylinder | 400 kg(T ) | ≤ 0.85 kg/L | W21.8-14 | Bulk project supply |
| cylinder pallet | 12 × 10.9 kg | Per cylinder | W21.8-14 | Distribution via service networks |
| ISO ISO tank | approx. 18 t | per ISO tank | ISO tankconnection | and Transport |
Filling Ratioper"", steel cylinderper.
6 Applications
- Low temperature cold storage and
- and Transport
- See the Technical Data Sheet (TDS) for full specifications.
- and pharmaceuticalLow temperature
Equipment Compatibility & Charging Advice
- R404A POE, systemper.
- MainLow temperature, compressorperLow temperature refrigerantliquid injection or suction cooling, Discharge temperature.
- charging, Temperature glide, charging.
- R404A GWP 3922, EU F-Gas Regulationsnew equipmentrestricted, Item R452A, R448A or R449A.
- recoveryrecoverysteel cylinder, and Other refrigerant,.
7 Storage & Transport
- Storage,, ventilation, 40 ℃, ignition source, heat source and.
- steel cylinder, and,,, and.
- R404A Non-flammable, Vapour, Spillagelow-lying areasoxygen, ventilation.
- and oxygen, and (,, )Flammable.
- and, Low 0.05 MPa.
- Transportper Danger 2.2 class, and, steel cylinder.
8 Safety & Handling
- Asphyxiation riskVapour, Spillagelow-lying areas, and cold storageoxygen, ventilationoxygen(Low 19.5 %).
- SpillageSpillageventilation,;;leak detection or leak detection, open flamesleak detection.
- Thermal decomposition riskopen flames or High temperature(approx. 400 ℃ and above), cold storageventilation.
- enclosedcold storage, enclosed confined space, oxygen.
- 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
R404A and R507 Are they interchangeable?
Low temperature A1 refrigerant, R404A Temperature glideapprox. 0.8 ℃, R507 Azeotropic Mixture, and. compressor and, refrigerantrecoveryper refrigerantcharging,.
Why is R404A ？
R404A GWP 3922, "Kigali Amendment" and EU F-Gas Regulations phase-down, EUequipment GWP 2500 refrigerant. Item R452A(GWP 1945), R448A or R449A low-GWP Alternatives.
R404A What is the lowest evaporating temperature?
R404A Typicalapplication -45 ℃ ~ -30 ℃ Low temperature, or system, Low temperature cold storage and Transport. Low temperature( -60 ℃ and below)cascadesystem or R23 / R508B Ultra-low temperature refrigerant.
R404A Shelf life?
steel cylinder, Storage, R404A 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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