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The most common representative is dichlorodifluoromethane (R-12 or Freon-12).

Many CFCs have been widely used as refrigerants, propellants (in aerosol applications), and solvents.

The CFCs have still higher boiling points because the chloride is even more polarizable than fluoride.

Because of their polarity, the CFCs are useful solvents, and their boiling points make them suitable as refrigerants.

The production of the anesthetic 2-bromo-2-chloro-1,1,1-trifluoroethane ("halothane") is illustrative: .

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Ozone absorbs UV-B radiation, so its depletion allows more of this high energy radiation to reach the Earth's surface.

Bromine atoms are even more efficient catalysts; hence brominated CFCs are also regulated.

The production of the anesthetic 2-bromo-2-chloro-1,1,1-trifluoroethane ("halothane") is illustrative: .

James Hotel Le St-James welcomes you to a landmark of history and tradition in the heart of Old Montréal.

A traditional European atmosphere plus attention to detail offers a comfortable yet refined respite.

Ozone absorbs UV-B radiation, so its depletion allows more of this high energy radiation to reach the Earth's surface.

Bromine atoms are even more efficient catalysts; hence brominated CFCs are also regulated.

Freons containing bromine are signified by four numbers.