R152a (1,1-difluoroethane) has a boiling point of -25.0℃ and a GWP of only about 148. It is often blended with R32 and others into low-GWP mixtures for residential A/C, automotive A/C and heat pumps.
| Chemical Name | 1,1-二氟乙烷 |
|---|---|
| Molecular Formula | CH₃CHF₂ |
| Molecular Weight | 66.05 |
| Boiling Point (101.3 kPa) | -25.0 ℃ |
| Critical Temperature | 113.3 ℃ |
| Critical Pressure | 4.52 MPa |
| ODP (Ozone Depletion Potential) | 0 |
| GWP (Global Warming Potential) | 148 |
| ASHRAE Safety Class | A2（低毒、可燃） |
| Appearance | 无色透明、无浑浊 |
|---|---|
| Purity | ≥ 99.9 % |
| Moisture | ≤ 10 ppm |
| Acidity (as HCl) | ≤ 1 ppm |
| Evaporation Residue | ≤ 0.01 % |
| Executing Standard | 符合国家标准及行业标准 |
※ Packaging specs and labels can be customized; bulk orders can be delivered by tank truck.
R152a is an A2 flammable fluid. Blending and application must follow flammable-refrigerant codes with explosion protection and ventilation, operated by professionals.
| Storage & Transport | Store in a cool, ventilated, explosion-proof warehouse away from fire and heat; temperature not above 52℃. Strictly separate from oxidizers. Inspect cylinders periodically and handle gently. |
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