
Dichlorodifluoromethane (R-12), is a colorless gas, and usually sold under the brand name Freon-12, is a chlorofluorocarbon halomethane (CFC), used as a refrigerant and aerosol spray propellant. Complying with the Montreal Protocol, its manufacture was banned in the United States along with many other countries in 1996 due to concerns about damage...
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http://en.wikipedia.org/wiki/Dichlorodifluoromethane
[data page] This is a data page for dichlorodifluoromethane. == Physical properties == ...
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http://en.wikipedia.org/wiki/Dichlorodifluoromethane_(data_page)

(from the article `chlorofluorocarbon`) ...during the 1930s and manufactured under the trade name Freon, CFCs found wide application after World War II. These halogenated hydrocarbons, ... ...known by the commercial name Teflon), are readily made from unsaturated fluorocarbons. Organic compounds containing chlorine, bromine, or iodine ....
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http://www.britannica.com/eb/a-z/d/45

CF2Cl2;an easily liquefiable gas used as a refrigerant and aerosol propellant. ... (05 Mar 2000) ...
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http://www.encyclo.co.uk/local/20973

a colorless, slightly water-soluble, nonflammable gas, CClF, that boils at −29°C: used chiefly as a propellant in aerosols and as a refrigerant.
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https://www.infoplease.com/dictionary/dichlorodifluoromethane
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