Difluoromethane, CH₂F₂
High-purity R32 (Difluoromethane) refrigerant supplied by Anhui Kaierwen, air conditioning, commercial refrigeration and heat pumps. Purity ≥99.9%, in stock with nationwide delivery and full technical support.
| Chemical Name | Difluoromethane |
|---|---|
| Molecular Formula | CH₂F₂ |
| Molecular Weight | 52.02 |
| Boiling Point (101.3 kPa) | -51.7 ℃ |
| Critical Temperature | 78.1 ℃ |
| Critical Pressure | 5.78 MPa |
| Liquid Density (25℃) | 961 kg/m³ |
| ODP (Ozone Depletion Potential) | 0 |
| GWP (Global Warming Potential) | 675 |
| ASHRAE Safety Class | A2L (Low toxicity, Mildly flammable) |
| Vapor Density (air = 1) | 1.796 |
| Liquid Density (20/4℃) | 0.9814 |
| Critical Density (g/cm³) | 0.4240 |
| Acentric Factor | 0.2769 |
| Triple Point Temperature (°C) | -136.810 |
| Appearance | Colorless, transparent, free of turbidity |
|---|---|
| Odor | Odorless |
| Purity | ≥ 99.9 % |
| Moisture | ≤ 10 ppm |
| Acidity (as HCl) | ≤ 1 ppm |
| Evaporation Residue | ≤ 0.01 % |
| Executing Standard | GB/T 34011-2017 |
| 3 kg / 5 kg | Disposable steel cylinder |
|---|---|
| 10 kg | Disposable steel cylinder |
| 24.5 kg | Refillable steel cylinder |
| 400 kg / 800 kg | Refillable steel cylinder |
POE oil required
Common alternatives: lower-GWP R454B, R452B (, subject to equipment suitability)
Handle R32 only by qualified personnel. It is flammable — keep away from ignition sources and ensure adequate ventilation. Refer to the SDS and local regulations for safe use, recovery and disposal.
| Storage & Transportation | Store in a cool, well-ventilated warehouse away from fire and heat sources; temperature not above 52℃. Keep separated from oxidizers and acids. Cylinders must be periodically inspected; handle gently to avoid damage. |
|---|
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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