R142B Refrigerant Technical Data Sheet
Technical Data Sheet(TDS) 1-Chloro-1,1-difluoroethane C₂H₃ClF₂ R142B, and.
1 Product Identification
| Item | Value |
|---|---|
| Product Name | R142b Refrigerant |
| Chemical Name | 1-Chloro-1,1-difluoroethane |
| English Name | 1-Chloro-1,1-difluoroethane |
| Molecular Formula | C₂H₃ClF₂ |
| Molecular Weight | 100.50 |
| CAS Registry Number | 75-68-3 |
| EINECS No. | 200-891-8 |
| UN Number | 2517 |
| Transport Hazard Class | Class 2.1, flammable gas |
| ASHRAE Safety Classification | A2(Low toxicity, flammable) |
| Reference Basis | Manufacturer data; the batch COA governs |
Reference Basis: (controlled, perquota)
2 Physical & Chemical Properties
R142B Typicaldata, system and,.
| Item | Typical Value |
|---|---|
| Appearance | Colorless, transparent liquefied gas |
| Odor | Faint ethereal odour |
| Boiling Point (101.3 kPa) | -9.2 ℃ |
| Freezing Point | -130.8 ℃ |
| Critical Temperature | 137.1 ℃ |
| Critical Pressure | 4.06 MPa |
| Vapor Pressure (25 C, absolute) | approx. 0.35 MPa |
| Liquid Density(25 ℃) | approx. 1110 kg/m³ |
| Latent Heat of Vaporization (at boiling point) | approx. 264 kJ/kg |
| Liquid Specific Heat(25 ℃) | approx. 1.34 kJ/(kg K) |
| Vapor Specific Heat(25 ℃, 101.3 kPa) | approx. 0.78 kJ/(kg K) |
| Water Solubility(25 ℃) | Slightly soluble |
| Auto-Ignition Temperature | approx. 632 ℃ |
| Flammability Limits in Air (vol.%) | approx. 6.2 % ~ 17.9 % |
| Ozone Depletion Potential (ODP) | 0.065 |
| GWP (100 yr, IPCC AR5) | 2310 |
| Atmospheric Lifetime | approx. 17.9 years |
| Regulatory status | HCFC classcontrolled, perquota |
3 Quality Specifications & Test Methods
R142B Parameter, Batch COA.
| Item | Parameter | Test Method |
|---|---|---|
| Appearance | Colourless and clear, free of suspended matter and mechanical impurities | Visual inspection |
| Purity | ≥ 99.80 % | Gas chromatography GC-FID |
| Moisture | ≤ 20 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 | R142b(this product) | R31 | R123 |
|---|---|---|---|
| Composition | Single compound C₂H₃ClF₂ | Single compound CH₂ClF | Single compound C₂HCl₂F₃ |
| Boiling point | -9.2 ℃ | -9.1 ℃ | 27.8 ℃ |
| ODP | 0.065 | approx. 0.02 | 0.02 |
| GWP(100 years, AR5) | 2310 | approx. 9 | 77 |
| Flammable | Flammable(A2) | Non-flammable | Non-flammable |
| Regulatory status | HCFC controlled, perquota | HCFC controlled, perquota | HCFC controlled, perquota |
| Mainuse | PVDF, Medium temperature | — | existing installed baseunit servicing |
| Current selection | use, perquotasupply | small-batch | existing installed base equipment servicing |
5 Packaging Specifications
| Package Type | Specification | Filling Ratio | Valve Connection | Application |
|---|---|---|---|---|
| disposable cylinder | 20 kg(customizable 10 kg) | ≤ 0.95 kg/L | W21.8-14(customizable CGA / DIN) | small-batch |
| steel cylinder | 250 kg(customizable 400 kg) | ≤ 0.95 kg/L | W21.8-14 | bulk supply |
| cylinder pallet | Made to order | Per cylinder | W21.8-14 | Itemdistribution |
| ISO ISO tank | approx. 20 t | per ISO tank | ISO tankconnection | and Transport |
Filling Ratioper"", steel cylinderper.
6 Applications
- PVDF polymerisation
- Medium temperature and heat pumpsystem(existing installed baseapplication)
- —
Equipment Compatibility & Charging Advice
- HCFC classcontrolled, Procurement and quota and, records.
- A2 Flammable refrigerant, equipment and perexplosion-proof, ventilation and.
- polymerisationperpolymerisation SpecificationPurity and, COA and process.
- system and, and refrigerant.
- recovery and, emissions;Disposal.
7 Storage & Transport
- Storage,, ventilation, 40 ℃, ignition source, heat source and.
- steel cylinder, and,,, and.
- 2.1 class Flammable, perexplosion-proof equipment, Flammable and explosion-proofventilation.
- and oxygen, and (,, )Flammable.
- and, Low 0.05 MPa.
- Transportper Danger 2.1 class, Firefighting and, and.
8 Safety & Handling
- Flammability and explosion riskR142b A2 Flammable refrigerant, Flammability limitapprox. 6.2 % ~ 17.9 %, open flames, explosion-proof, ventilation.
- Spillageignition sourceventilation,;explosion-proof;explosion-proofleak detection.
- Firefightingor carbon dioxide Firefighting, steel cylinder. Spillage Flame.
- Thermal decomposition riskopen 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
R142b What are the main industrial uses?
R142b PVDF(Ethylene(Ethene)), HCFC class Medium temperature Refrigerant. quantityuse, Procurementcontrolledquota.
R142b Is it a phased-out substance?
. R142b ODP 0.065, GWP 2310, "Montreal Protocol"control HCFC, perquotayearsphase-down. Refrigerantexisting installed base equipment servicing, useperquota and.
R142b What purity is required for feedstock use?
polymerisation R142b Purity, Moisture, Acidity and, polymerisation and. polymerisation and Industrial grade Specification, COA.
R142b Shelf life?
steel cylinder, Storage, R142b Shelf Life 12 months. perquota Procurement.
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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