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1,1,1-Trichloro-2,2,2-trifluoroethane, also called Asymmetrical trichlorotrifluoroethane or CFC-113a, is a chlorofluorocarbon (CFC) with the formula CCl 3 CF 3. Ozone depletion [ edit ]
1,1,2-Trichloro-1,2,2-trifluoroethane, also called trichlorotrifluoroethane (often abbreviated as TCTFE) or CFC-113, is a chlorofluorocarbon. It has the formula Cl 2 FC−CClF 2 . This colorless, volatile liquid is a versatile solvent.
Tetrachloro-1,1-difluoroethane can be prepared in 40% yield by reacting 1,1,2-trichloro-1,2,2-trifluoroethane (freon 113) with aluminium chloride at 60°C. [2] It can also be made in a reaction with hydrogen fluoride with hexachloroethane or tetrachloroethane with extra chlorine. This reaction occurs with an aluminium fluoride catalyst at 400°C.
The Tar Heels were 2-20 in his first two seasons before posting eight straight winning seasons. Brown left North Carolina for Texas after the program went 10-1 in 1997.
From April 2009 to December 2012, if you bought shares in companies when John S. Watson joined the board, and sold them when he left, you would have a 58.3 percent return on your investment, compared to a 75.8 percent return from the S&P 500.
Kate Middleton stepped out for the royal family’s annual Christmas day walk on December 25, arriving to church in Sandringham with Prince William as well as their kids, Prince George, Princess ...
Perhaps the best part about this whipped cream is that it was notably sturdy and held its shape reliably. "The texture here is good," one editor said. "It feels sturdier than others."
1-Chloro-1,2,2,2-tetrafluoroethane, C 2 H Cl F 4, is a hydrochlorofluorocarbon used as a component in refrigerants offered as replacements for chlorofluorocarbons. HCFC-124 is also used in gaseous fire suppression systems as a replacement for bromochlorocarbons .