R143 Refrigerant Technical Data Sheet
Technical Data Sheet(TDS) 1,1,1-Trifluoroethane(Refrigerant R 143a) CH₃CF₃ R143, and.
1 Product Identification
| Item | Value |
|---|---|
| Product Name | R143 Refrigerant |
| Chemical Name | 1,1,1-Trifluoroethane（Refrigerant R 143a） |
| English Name | 1,1,1-Trifluoroethane（Refrigerant R 143a） |
| Molecular Formula | CH₃CF₃ |
| Molecular Weight | 84.04 |
| CAS Registry Number | 420-46-2 |
| UN Number | 2035 |
| 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: Compiled from manufacturer data (safety classification per GB/T 7778, ASHRAE 34 / ISO 817)
2 Physical & Chemical Properties
R143 Typicaldata, system and,.
| Item | Typical Value |
|---|---|
| Appearance | Colorless, transparent liquefied gas |
| Odor | Slight ethereal odour |
| Boiling Point (101.3 kPa) | -47.6 ℃ |
| Freezing Point | -155.0 ℃ |
| Critical Temperature | approx. 102.3 ℃ |
| Critical Pressure | approx. 4.06 MPa |
| Vapor Pressure (25 C, absolute) | approx. 1.44 MPa |
| Liquid Density(25 ℃) | approx. 856 kg/m³ |
| Saturated Vapor Density(25 ℃) | approx. 18.4 kg/m³ |
| Latent Heat of Vaporization (at boiling point) | approx. 232 kJ/kg |
| Liquid Specific Heat(25 ℃) | approx. 1.45 kJ/(kg K) |
| Vapor Specific Heat(25 ℃, 101.3 kPa) | approx. 0.83 kJ/(kg K) |
| Water Solubility(25 ℃) | Slightly soluble |
| Auto-Ignition Temperature | approx. 720 ℃ |
| Flammability Limits in Air (vol.%) | 2.0 % ~ 8.8 % |
| Minimum ignition energy | approx. 0.35 mJ |
| OEL (8 h TWA) | 1000 ppm(per R143a data) |
| Ozone Depletion Potential (ODP) | 0 |
| Global warming potential (GWP) GWP(100 years) | approx. 353 |
| Atmospheric Lifetime | approx. 51 |
3 Quality Specifications & Test Methods
R143 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 | ≤ 1.5 % | Gas chromatography |
| (Cl⁻) | Negative (pass) | Silver nitrate turbidimetry |
4 Comparison with Common Refrigerants
| Comparison Item | R143(this product) | R125 | R134a |
|---|---|---|---|
| Composition | Single compound CH₃CF₃ | Single compound CHF₂CF₃ | Single compound CH₂FCF₃ |
| Boiling point | -47.6 ℃ | -48.8 ℃ | -26.3 ℃ |
| ODP | 0 | 0 | 0 |
| GWP(100 years) | approx. 353 | approx. 3,500 | approx. 1,430 |
| ASHRAE Safety Classification | A2(Flammable) | A1 (non-flammable) | A1 (non-flammable) |
| Flammability limits in air | 2.0 % ~ 8.8 % | Non-flammable | Non-flammable |
| Relative charge | approx. R134a 85 % | approx. R134a 80 % | Baseline 100 % |
| Main | Low temperature refrigerant | R404A / R507 | refrigerant |
| Current selection | Low temperature cascade and formulation | Subject to quota phase-down | Subject to quota phase-down |
5 Packaging Specifications
| Package Type | Specification | Filling Ratio | Valve Connection | Application |
|---|---|---|---|---|
| disposable cylinder | 50 kg(customizable 30 kg) | ≤ 0.85 kg/L | W21.8-14 / CGA(perorder) | and testingquantity |
| steel cylinder | 400 kg | ≤ 0.85 kg/L | W21.8-14 | Item and supply |
| 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
- Low temperature cascadesystemLow temperature
- Low temperature Refrigerant
- Low temperature equipment
- specialityLow temperatureprocess
Equipment Compatibility & Charging Advice
- R143 A2 Flammable refrigerant, systemperexplosion-proof: explosion-proof,, ventilation and Flammable.
- R143 Main refrigerant, refrigerant;compressor.
- and R134a, R290 Low temperature and, per.
- and, POE;system, and and refrigerant.
- and serviceexplosion-proofcharging, recovery and leak detection equipment, recoverynitrogen,.
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,, Flammable, explosion-proof and.
- and, Low 0.05 MPa.
- Transportper Danger 2.1 class, Firefighting and, and.
8 Safety & Handling
- Flammability and explosion riskR143 A2 Flammable refrigerant, Explosive limits 2.0 % ~ 8.8 %, explosion-proof, ventilation.
- Spillageignition sourceventilation,;explosion-proof and;explosion-proofleak detection.
- Firefightingor carbon dioxide Firefighting, steel cylinder. Spillage Flame,.
- frostbite ProtectionLiquefied gasfrostbite, and;frostbite 40 ℃.
- Inhalation andVapourasphyxiation, and, fresh airoxygen;Eye contact 15.
- Stable under recommended storage and handling conditions.High temperature and, and.
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
R143 What is it, and why Grade R143a？
R143 1,1,1-Trifluoroethane(Refrigerant R 143a)( R143a, CAS 420-46-2), Molecular Formula CH₃CF₃. "a", R143a. ODP, GWP approx. 353, MainLow temperature Refrigerant.
R143 Can it be charged directly into AC systems?
. R143 A2 Flammable refrigerant, 2.0 %, residential air conditioning and ventilationperexplosion-proof, R143 Main( R134a, R290 )., equipmentperexplosion-proofretrofit.
R143 and R23 Low temperature refrigerant, ？
R23 Boiling point -82.1 ℃, Non-flammable, GWP approx. 14,800 quotaphase-down;R143 Boiling point -47.6 ℃, GWP approx. 353,, A2 Flammable. -50 ℃, R143 formulation R23.
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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