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Difluoromethane
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Difluoromethane
Affiliate classification
Other refrigerants
Description
HFC-32 mainly used to formulate refrigerant R407C and R410A.
Physical and chemical properties
| CAS No | 75-10-5 |
| Molecular Formula | CH2F2 |
| Molecular Weight | 52.02 |
| Boiling Point 101.3KPa (℃) | -53.15 |
| Critical Temperature (℃) | 78.25 |
| Critical Pressure (KPa) 25℃ | 5.808 |
| Saturated Liquid Density 25℃（kg/m³） | 960 |
| Specific Heat of Liquid 25℃ [KJ/( kg·k)] | 2.35 |
| Ozone Depression Potential | 0 |
| Global Warming Potential | 0.11 |
Technical parameters
| Analysis | Requirement |
| Appearance | Colorless and clear |
| Purity (% by weight) | 99.8min |
| Water (% by weight) | 0.001max |
| Acidity (as HCl) % | 0.0001max |
| Evaporation Residue (% by weight) | 0.01max |
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