HCFC-142b, 1-Chloro-1,1-difluoroethane
R142b (1-chloro-1,1-difluoroethane) is an HCFC controlled substance once used in blends and foam blowing. It now mainly serves existing equipment and specific transitional formulations.
| Chemical Name | 1-Chloro-1,1-difluoroethane |
|---|---|
| Molecular Formula | CH₃CClF₂ |
| Molecular Weight | 100.50 |
| Boiling Point (101.3 kPa) | -9.2 ℃ |
| Critical Temperature | 137.1 ℃ |
| Critical Pressure | 4.06 MPa |
| ODP (Ozone Depletion Potential) | 0.065 |
| GWP (Global Warming Potential) | 2310 |
| ASHRAE Safety Class | A2 (Low toxicity, Flammable) |
| Vapor Density (air = 1) | 3.469 |
| Liquid Density (20/4℃) | 1.1237 |
| Critical Density (g/cm³) | 0.4460 |
| Acentric Factor | 0.2321 |
| Triple Point Temperature (°C) | -130.430 |
| Appearance | Colorless, transparent, free of turbidity |
|---|---|
| Purity | ≥ 99.9 % |
| Moisture | ≤ 10 ppm |
| Acidity (as HCl) | ≤ 1 ppm |
| Evaporation Residue | ≤ 0.01 % |
| Executing Standard | Compliant with national and industry standards |
| 13.6 / 22.7 kg | Disposable steel cylinder |
|---|---|
| 200 kg | Refillable steel cylinder |
R142b is an HCFC controlled and flammable substance. Use and recovery must follow Montreal Protocol quota management; new systems should choose low-GWP alternatives.
| Storage & Transportation | Store in a cool, ventilated, explosion-proof warehouse away from fire and heat; temperature not above 52℃. Keep separated from oxidizers and acids. Inspect cylinders periodically and handle gently. |
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This Technical Data Sheet (TDS) is provided by Kelvins Data are based on current product standards and Wulachem’s finished-product technical references, for reference only; actual parameters are subject to the factory inspection report. For the official MSDS/SDS or batch inspection report, please contact us.
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