R14 Refrigerant Technical Data Sheet
Technical Data Sheet(TDS) Tetrafluoromethane(Carbon tetrafluoride) CF₄ R14, and.
1 Product Identification
| Item | Value |
|---|---|
| Product Name | R14 Refrigerant |
| Chemical Name | Tetrafluoromethane（Carbon tetrafluoride） |
| English Name | Tetrafluoromethane（Carbon tetrafluoride） |
| Molecular Formula | CF₄ |
| Molecular Weight | 88.00 |
| CAS Registry Number | 75-73-0 |
| EINECS No. | 200-896-5 |
| UN Number | 1982 |
| 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
R14 Typicaldata, system and,.
| Item | Typical Value |
|---|---|
| Appearance | Colorless, transparent liquefied gas |
| Odor | Odourless |
| Boiling Point (101.3 kPa) | -127.8 ℃ |
| Freezing Point | -183.6 ℃ |
| Critical Temperature | -45.6 ℃ |
| Critical Pressure | 3.74 MPa |
| — | approx. 0.062 MPa |
| Vapor Pressure (25 C, absolute) | approx. 6.4 MPa(Critical Temperature, ) |
| Liquid Density(-80 ℃) | approx. 1600 kg/m³ |
| Latent Heat of Vaporization (at boiling point) | approx. 136 kJ/kg |
| Liquid Specific Heat(-80 ℃) | approx. 1.05 kJ/(kg K) |
| Vapor Specific Heat(25 ℃, 101.3 kPa) | approx. 0.73 kJ/(kg K) |
| Liquid Thermal Conductivity(-80 ℃) | approx. 0.14 W/(m K) |
| Vapor Thermal Conductivity(25 ℃) | approx. 0.0168 W/(m K) |
| Liquid Viscosity(-80 ℃) | approx. 0.35 mPa s |
| Vapor Viscosity(25 ℃) | approx. 0.0173 mPa s |
| Water Solubility(25 ℃) | Insoluble |
| Auto-Ignition Temperature | Not applicable (non-flammable) |
| Flammability Limits in Air (vol.%) | None (non-flammable) |
| Typical evaporating temperature | 120 ℃ and below |
| OEL (8 h TWA) | 1000 ppm |
| Ozone Depletion Potential (ODP) | 0 |
| GWP (100 yr, IPCC AR5) | 7390 |
| Atmospheric Lifetime | approx. 50000 years |
3 Quality Specifications & Test Methods
R14 Parameter, Batch COA.
| Item | Parameter | Test Method |
|---|---|---|
| Appearance | Colourless and clear, free of suspended matter and mechanical impurities | Visual inspection |
| Purity | ≥ 99.99 % | Gas chromatography GC-TCD/FID |
| Moisture | ≤ 5 ppm | Karl Fischer coulometric method |
| oxygen + nitrogen | ≤ 30 ppm | Gas chromatography |
| Acidity( HF ) | ≤ 0.1 ppm | Alkali absorption - potentiometric titration |
| carbon monoxide + carbon dioxide | ≤ 10 ppm | Gas chromatography |
| Evaporation Residue | ≤ 0.01 % | Gravimetric method |
| Other | ≤ 100 ppm | Gas chromatography |
4 Comparison with Common Refrigerants
| Comparison Item | R14(this product) | R23 | R508B |
|---|---|---|---|
| Composition | Single compound CF₄ | Single compound CHF₃ | R23/R116 46/54 Azeotropic |
| Boiling point | -127.8 ℃ | -82.1 ℃ | approx. -87.4 ℃ |
| Typical evaporating temperature | 120 ℃ and below | -70 ℃ ~ -85 ℃ | -80 ℃ ~ -100 ℃ |
| Critical Temperature | -45.6 ℃ | 25.9 ℃ | approx. 21 ℃ |
| ODP | 0 | 0 | 0 |
| GWP(100 years, AR5) | 7390 | 14800 | 13396 |
| ASHRAE Safety Classification | A1 | A1 | A1 |
| system | cascade / cryogenicsystemLow temperature | Low stage of cascade systems | Low stage of cascade systems |
| Current selection | Low temperaturecryogenic | cryogenic and Low temperaturetesting | Ultra-low temperature cascadesystem |
5 Packaging Specifications
| Package Type | Specification | Filling Ratio | Valve Connection | Application |
|---|---|---|---|---|
| disposable cylinder | 2 kg(customizable 5 kg) | ≤ 0.60 kg/L | CGA / DIN(perorder) | testing, small-batch |
| steel cylinder | 10 kg(customizable 40 kg) | ≤ 0.60 kg/L | CGA / DIN | equipment and Itemsupply |
| cylinder pallet | Made to order | Per cylinder | CGA / DIN | Itemdistribution |
| ISO ISO tank | Made to order | per ISO tank | ISO tankconnection | and Transport |
Filling Ratioper"", steel cylinderper.
6 Applications
- pharmaceuticalfreeze drying and biological samplescryogenic
- Low temperaturetest chamber and cryogenic
- gas liquefaction and cryogenic separation
- Semiconductor and
Equipment Compatibility & Charging Advice
- R14 Critical Temperature -45.6 ℃,, steel cylinder and systemper.
- Main cascade or cryogenicsystem Low temperature, and R23, R508B refrigerant.
- GWP Atmospheric Lifetimeapprox. 50000 years, Low temperature, recovery and.
- oxygennitrogen, CO/CO₂ and, Specification and.
- cryogenicsystem, and, Moisture and Low temperature.
7 Storage & Transport
- Storage,, ventilation, 40 ℃, ignition source, heat source and.
- steel cylinder, and,,, and.
- steel cylinder,, or.
- 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 equipmentoxygen, ventilationoxygen(Low 19.5 %).
- Overpressure riskCritical TemperatureLow, steel cylinder,,, or;system.
- SpillageSpillageventilation,;;leak detection or leak detection.
- Thermal decomposition riskor High temperature, and ventilation.
- frostbite Protectioncryogenic and 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
R14？
Evaporating temperature Lowapprox. -120 ℃, R23, R508B Ultra-low temperature refrigerant, R14 Low temperature, cascadesystemLow temperature. Typicalcryogenic, cryogenic separation, pharmaceutical and Semiconductorcryogenicprocess.
R14 Why iscylinder pressure unusually high?
R14 Critical Temperature -45.6 ℃,,, steel cylinder,. steel cylinder, and.
R14 RiskHow significant is it?
R14 GWP approx. 7390, Atmospheric Lifetimeapprox. 50000 years,. Alternatives cryogenic, recovery, and Spillage, GWP refrigerant and control.
R14 Shelf life?
steel cylinder, Storage, R14 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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