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|CAS No.:||75-45-6||EINECS No.::||200-871-9|
|Other Names:||Chlorodifluoromethane Algeon 22;algeon22;Algofrene 22;Algofrene 6;Algofrene Type 6;algofrene22;Algofrene6;algofrenetype6||Appearance::||Colorless Liquefied Gas|
|Cylinders Volume::||30LB,40L , 50L,or 500L||Grade Standard:||Electron Grade Industrial Grade|
|Toxic:||Non-toxic||Application:||Electronics Equipment,transformer,refrigerating Fluid|
|Odor:||Sweetish||Flammability Range (in Air):||Non-flammable|
|Flammability Range (in Air):||Non-flammable|
CAS 75-45-6 CHClF2 Colorless HFC22 Gas Difluoromonochloromethane R22 Sweetish
Refrigerant Gas Difluorochloromethane is a colorless gas with an ethereal odor. Difluorochloromethane is shipped as a liquefied gas under its own vapor pressure. Difluorochloromethane is noncombustible.
Difluorochloromethane can asphyxiate by the displacement of air. Contact with the liquid can cause frostbite. Toxic gases can be produced in fires involving Difluorochloromethane. Exposure of the container to prolonged heat or fire may cause Difluorochloromethane to rupture violently and rocket.
The liquefied gas poured into water can be violently explosive. This is due to the phase transition from superheated liquid to vapor.
Difluorochloromethane is incompatible with the following: Alkalis, alkaline earth metals (e.g., powdered aluminum, sodium, potassium, zinc) .
Inhalation at greater than 10% concentration in air may cause narcosis. Liquid may cause frostbite.
Special Hazards of Combustion Products: Decomposition gases are toxic and irritating.
1. Physical properties
|Packing||disposable steel cylinder30b/13.6kg,50b/22.7kg, recyclable steel cylinder 400kg/400L ,800kg/800L ,1000kg/1000L,950kg/926L|
|Storage and Transportation||Use, store and transport below 45C. Store in cool and well-ventilated areas. Keep away from fire, heat, sunlight and flammable substances. Handle carefully when loading and unloading to avoid damages to gas cylinders and accessories.|
2. Typical technical data
|Property of chloride :|
|Boiling Point, °C||-40.8|
|Critical Temperature, °C||96.2|
|Critical Pressure, Mpa||4.99|
|Specific Heat of Liquid, 30°C, [KJ/(kg•°C)]||0.31|
|Quality standard :|
|Vapor Residue, PPm||≤100|
|Appearance||Colorless, No turbid|
|Odor||No Strange Stench|
|Used for supercritical extraction solvent, low temperature refrigerant and a propellant.||Air conditioning|
|As a precursor to tetrafluoroethylene||
An important application of R-22 is as a precursor to tetrafluoroethylene. This conversion involves pyrolysis to give difluorocarbene, which dimerizes: 2 CHClF2 → C2F4 + 2 HCl
|Used in the laboratory as a source of this reactive intermediate.||
The compound also yields difluorocarbene upon treatment with strong base and is used in the laboratory as a source of this reactive intermediate.The pyrolysis of R-22 in the presence of chlorofluoromethane gives hexafluorobenzene.