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Worldwide production of R-22 in 2008 was about 800 Gg per year, up from about 450 Gg per year in 1998, with most production in developing countries. [2] R-22 use is being phased out in developing countries, where it is largely used for air conditioning applications.
From 1930 to 1935, they developed dichlorodifluoromethane (CCl 2 F 2 or R12), trichlorofluoromethane (CCl 3 F or R11), chlorodifluoromethane (CHClF 2 or R22), trichlorotrifluoroethane (CCl 2 FCClF 2 or R113), and dichlorotetrafluoroethane (CClF 2 CClF 2 or R114), through Kinetic Chemicals which was a joint venture between DuPont and General Motors.
The table is sortable by each of the following refrigerant properties (scroll right or reduce magnification to view more properties): Type/prefix (see legends); ASHRAE number
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When inhaled, Freon has toxic effects that can have detrimental impacts on various systems in the body. These effects can damage the brain and the cardiovascular system, potentially causing abnormalities in heart functions as well as seizures. Freon inhalation can also cause damage to the lungs and in rare cases, respiratory failure.
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While R407C presents environmental advantages over older refrigerants, it still requires careful handling: Global Warming Potential: Despite its lower GWP compared to R22, R407C contributes to global warming if released. Effective leak management and system maintenance are essential.