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Dichlorofluoromethane or Freon 21 or R 21 is a halomethane or hydrochlorofluorocarbon with the formula CHCl 2 F. It is a colorless and odorless gas. It is a colorless and odorless gas. It is produced by fluorination of chloroform using a catalyst such as antimony trifluoride : [ 4 ]
Dichlorodifluoromethane (R-12) is a colorless gas popularly known by the genericized brand name Freon (as Freon-12).It is a chlorofluorocarbon halomethane (CFC) used as a refrigerant and aerosol spray propellant.
Pyrolysis of a mixture of dichlorofluoromethane and chlorofluoromethane gives hexafluorobenzene: [1] 3 CHCl 2 F + 3 CH 2 ClF → C 6 F 6 + 9 HCl. It was used as a refrigerant and has an ozone depletion potential of 0.02.
10 Pa (0.00010 bar) Critical temperature (T c) 112 °C (385 K) Critical pressure (p c) 4.170 MPa (41.15 bar) Critical density ...
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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It was 10 years ago. The ensuing madness was one of the wilder and weirder stories in NFL lore — part who done it, part high-paid legal drama, part science lesson, part Rorschach test, part ...
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