WULACHEM
R143a
Technical Data Sheet (TDS) · Refrigerant technical reference document
Data version: 2026.09.22 | Generated on: 2026-10-20
Identification
| Chemical name | 1,1,1-Trifluoroethane (R143a) |
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| Common designations | R143A |
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| CAS No. | 420-46-2 |
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| Formula | CH2FCF3 |
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| GWP | 4470 |
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| ODP | 0 |
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| Safety class | A2L |
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| Family | HFC |
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| Regulatory tier | F-gas (high GWP, F-Gas regulated) |
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Basic physical properties
| Molecular weight (g/mol) | 84.041 |
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| Triple point temp. (°C) | -111.810 |
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| Critical temp. (°C) | 72.707 |
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| Critical pressure (MPa, abs) | 3.762 |
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| Critical density (g/cm³) | 0.431 |
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| Vapor relative density (air=1) | 2.901 |
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Applications
Mainly used as a refrigerant in room A/C, commercial refrigeration, cold-chain and heat-pump systems.
Safety & storage
Mildly flammable. Store cool and ventilated, strictly away from sparks, open flame and heat; cylinders upright and secured; use explosion-proof electricals in the area.
Supplier
| Supplier | Wulachem |
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| Contact | sales@wulachem.cn |
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Disclaimer
The values and limits in this Technical Data Sheet are taken from this site’s refrigerant property database (based on CoolProp reference data and relevant quality standards) and are provided for product selection and technical reference only. Before charging, storage and system integration, always verify against the latest official Safety Data Sheet (SDS) and the manufacturer’s technical documentation, and strictly follow applicable regulations and equipment manufacturer requirements. This site accepts no liability for any decisions or consequences based on this document.