Monochlorodifluoromethane
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CAS No.: 75-45-6
Molecular formula: CHCLF2
Molecular weight: 86.47
RTECS No.: PA63900000
HS No.: 2903710000
UN No.: 1018
Hazard cargo No.: 22039
IMDG page: 2118
I.Physicochemical properties:
1. Appearance and property: Colorless gas.
2. Boiling point: -40.8°C
3. Liquid weight (D25°): 1.19
4. Critical temperature: 96.24 °C
5. Critical pressure: 4.980MPa
6. Critical density : 524.21kg/m3
7. Vapor pressure: 1043.1KPa (25°C)
8. HGWP:0.28
9. GWP:0.17
10. ODP: 0.034
II. Usage
R22 is the most widely used As the commonly used medium and high temperature refrigerating fluid, R22 is mainly used in household air conditioner, business air conditioner, mobile air conditioner, dehumidifier, refrigeration dryer, marine refrigeration equipment, industrial refrigeration equipment, condensing unit, supermarket showcase, etc. R22 is the raw material in the production of tetrafluoro-ethylene resin and intermediate of extinguishant 1121, it is the important material for the productionof teflon and the intermediate for the production of extinguishant 1211.
III. Quality standard
| Item | Superior |
First class |
Purity ≥ (m/m) % |
99.95 |
99.90 |
Acidity以 (HCI计) ≤(m/m)ppm |
0.1 |
1 |
Moisture ≤(m/m)ppm |
5 |
10 |
Residue after evaporation≤ (v/v) ppm |
100 |
100 |
Non-condensable gases ≤25°C (v/v) % |
1.5 |
1.5 |
Chloride content |
Qualified |
Qualified |
Appearance |
Colorless transparent liquid |
Colorless transparent liquid |
IV. Packing, storage and transportation
Hazard rank: 2.2 type gas
Hazard cargo packing mark: 5
Packing type: III
Packing: Can 220g, 250g, 280g, 300g, 340g, 500g, 800g, 1000g; disposable steel cylinder 30lb/13.6kg, 50lb/22.7kg; recycled steel cylinder 400L, 800L, 926L, 1000L; ISO-TANK. Filling ratio is smaller than 1.0.3Kg/L.
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