Physical properties
| Molecular Weight | 72.58 |
| Boiling Point, ℃ | -51.6 |
| Critical Temperature°C | 72.5 |
| Critical Pressure, Mpa | 4.95 |
| Specific Hear Of Liquid, 30°C, [KJ/(kg•°C)] | 1.78 |
| (ODP) | 0 |
| (GWP) | 2000 |
Quality Index
| Purity，% | ≥99.9 |
| Moisture，PPM | ≤10 |
| Acidity，PPM | ≤0.1 |
| Vapor Residue，PPM | ≤100 |
| Appearance | Colorless, No Turbid |
| Ordor | No Strange Stench |
