R31 Refrigerant Technical Data Sheet
Technical Data Sheet(TDS) Chlorofluoromethane CH₂ClF R31, and.
1 Product Identification
| Item | Value |
|---|---|
| Product Name | R31 Refrigerant |
| Chemical Name | Chlorofluoromethane |
| English Name | Chlorofluoromethane |
| Molecular Formula | CH₂ClF |
| Molecular Weight | 68.49 |
| CAS Registry Number | 593-70-4 |
| EINECS No. | 209-803-2 |
| UN Number | 3163(per Transport) |
| Transport Hazard Class | Class 2.2, non-flammable gas(per Transport) |
| ASHRAE Safety Classification | ASHRAE 34 class, per |
| Reference Basis | Manufacturer data; the batch COA governs |
Reference Basis: (controlled, perquota)
2 Physical & Chemical Properties
R31 Typicaldata, system and,.
| Item | Typical Value |
|---|---|
| Appearance | Colorless, transparent liquefied gas |
| Odor | Faint ethereal odour |
| Boiling Point (101.3 kPa) | -9.1 ℃ |
| Freezing Point | approx. -130 ℃ |
| Critical Temperature | approx. 178 ℃ |
| Critical Pressure | approx. 5.3 MPa |
| Vapor Pressure (25 C, absolute) | approx. 0.34 MPa |
| Liquid Density(25 ℃) | approx. 1080 kg/m³ |
| Latent Heat of Vaporization (at boiling point) | approx. 300 kJ/kg |
| Liquid Specific Heat(25 ℃) | approx. 1.35 kJ/(kg K) |
| Vapor Specific Heat(25 ℃, 101.3 kPa) | approx. 0.70 kJ/(kg K) |
| Water Solubility(25 ℃) | Slightly soluble |
| Auto-Ignition Temperature | Not applicable (non-flammable) |
| Flammability Limits in Air (vol.%) | None (non-flammable) |
| Ozone Depletion Potential (ODP) | approx. 0.02 |
| Global warming potential (GWP) GWP(100 years) | approx. 9 |
| Atmospheric Lifetime | approx. 1.4 years |
| Regulatory status | HCFC classcontrolled, perquota |
3 Quality Specifications & Test Methods
R31 Parameter, Batch COA.
| Item | Parameter | Test Method |
|---|---|---|
| Appearance | Colourless and clear, free of suspended matter and mechanical impurities | Visual inspection |
| Purity | ≥ 99.50 % | Gas chromatography GC-FID |
| Moisture | ≤ 20 ppm | Karl Fischer coulometric method |
| Acidity( HCl ) | ≤ 0.2 ppm | Alkali absorption - potentiometric titration |
| Evaporation Residue | ≤ 0.01 % | Gravimetric method |
| Non-Condensable Gas(, 25 ℃) | ≤ 1.5 % | Gas chromatography |
| (Cl⁻) | perorderapprox. | Silver nitrate turbidimetry |
4 Comparison with Common Refrigerants
| Comparison Item | R31(this product) | R22 | R142B |
|---|---|---|---|
| Composition | Single compound CH₂ClF | Single compound CHClF₂ | Single compound C₂H₃ClF₂ |
| Boiling point | -9.1 ℃ | -40.8 ℃ | -9.2 ℃ |
| ODP | approx. 0.02 | 0.055 | 0.065 |
| GWP(100 years) | approx. 9 | 1810 | 2310 |
| Vapor Pressure(25 ℃) | approx. 0.34 MPa | 1.044 MPa | approx. 0.35 MPa |
| Regulatory status | HCFC controlled, perquota | HCFC controlled, perquota | HCFC controlled, perquota |
| Mainuse | speciality | existing installed basesystem servicing | Medium temperature |
| supply | perordersmall-batch | bulk supply | perquotabulk supply |
5 Packaging Specifications
| Package Type | Specification | Filling Ratio | Valve Connection | Application |
|---|---|---|---|---|
| disposable cylinder | 10 kg(customizable 5 kg / 20 kg) | ≤ 0.90 kg/L | W21.8-14(customizable CGA / DIN) | small-batch and |
| steel cylinder | 40 kg(customizable 100 kg) | ≤ 0.90 kg/L | W21.8-14 | perorderbulk supply |
| cylinder pallet | Made to order | Per cylinder | W21.8-14 | Itemdistribution |
| ISO ISO tank | Made to order | per ISO tank | ISO tankconnection | and Transport |
Filling Ratioper"", steel cylinderper.
6 Applications
- See the Technical Data Sheet (TDS) for full specifications.
- specialityLow temperature and researchtesting
- (pharmaceutical, )
Equipment Compatibility & Charging Advice
- HCFC classcontrolled, Procurement and quota and,.
- Main, system and.
- perorderbulk supply, use, quantity and.
- recovery and, emissions;Disposal.
- Storage and ventilation, leak detection and Protection, Inhalation and Skin contact.
7 Storage & Transport
- Storage,, ventilation, 40 ℃, ignition source, heat source and.
- steel cylinder, and,,, and.
- Vapour, Spillagelow-lying areas, ventilation and.
- and oxygen, and (,, )Flammable.
- and, Low 0.05 MPa.
- Transportper Danger, and,.
8 Safety & Handling
- controlledHCFC classcontrolled, Procurement, Storage, and "Montreal Protocol"quota, records and.
- asphyxiation andVapour, Spillagelow-lying areas, oxygen, ventilationoxygen(Low 19.5 %).
- SpillageSpillageventilation,;;leak detection, open flamesleak detection.
- Thermal decomposition riskrefrigerantopen flames or High temperature,, ventilation.
- frostbite ProtectionLiquefied gasfrostbite, and;frostbite 40 ℃.
- Inhalation andVapour, 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
R31 What is it mainly used for?
R31 and speciality refrigerant, Main (pharmaceutical, and ), specialityLow temperature and research. Refrigerant and.
Procurement R31 ？
R31 HCFC classcontrolled, Procurement controlled and quota/, use Description., records.
R31 Can it replace R22 ？
. R31 Boiling point -9.1 ℃, and R22, controlled HCFC,. R22 system R407C, R407F or low-GWP R32, R452A.
R31 Shelf life?
steel cylinder, Storage, R31 Shelf Life 12 months. small-batch, perorder.
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.
Get R31 Technical Data Sheet & Quotation
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