 Difluorochloromethane (R22)
1. Molecular Formula: CHCLF2
Commodity Code: 29034910 Danger Code: 1018 Danger Class: 2.2
2. Physical Properties:
| Molecular Weight |
86.48 |
| Boiling Point, °C |
-40.82 |
| Relative Density(30°C), liquid, g/cm3 |
1.177 |
| Melting Point, °C |
-160.00 |
| Critical Temperature, °C |
96.15 |
| Critical Pressure, MPA |
4.75 |
| Ozonosphere Damage Potency(ODP) |
0.045 |
| Global Warming Potency(GWP) |
1700 |
Freezing point 30°C |
- |
| Specific heat of liquid 30°C , [KJ/(Kg·°C)] |
0.31 |
| Density of saturated liquid 30°C , (g/cm3 ) |
1.174 |
| Specific heat of e quipressure vapor(Cp) , 30°Cand 101.3kPa[KJ/(Kg·°C)] |
0.16 |
| Critical density , g/cm3 |
0.526 |
| Vaporization heat below boiling point , KJ/Kg |
233.5 |
3. Quality Index (GB7373-87)
| Grade |
Excellent Grade |
First Grade |
Qualified |
| Purity, %≥ |
99.8 |
99.5 |
99.0 |
| Moisture, % ≤ |
0.001 |
0.002 |
0.005 |
| Acidity(as HCl), %≤ |
0.00001 |
0.0001 |
0.0001 |
| evaporation residue, %≤ |
0.01 |
0.01 |
0.02 |
[Main Uses] used in reciprocating compressor, as refrigerant in industrial, commercial and household air-condition system; also used to produce insecticide and aerosol for spraying paint; to produce extinguishing agent 1211; as the basic material to produce a wide variety of fluorinated macromolecular compounds. |
