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Bromochlorodifluoromethane (BCF), also referred to by the code numbers Halon 1211 and Freon 12B1, is a haloalkane with the chemical formula C F 2 Cl Br.It is used for fire suppression, especially for expensive equipment or items that could be damaged by the residue from other types of extinguishers. [1]
For example, consider Halon 1211. This halon has number 1211 in its name, which tells it has 1 carbon atom, 2 fluorine atoms, 1 chlorine atom, and 1 bromine atom. A single carbon only has four bonds, all of which are taken by the halogen atoms, so there is no hydrogen. Thus its formula is CF 2 ClBr, hence its IUPAC name is ...
Other agents were added to suppress the methanol flare up, such as CBM, Halon 2402, and Halon 1211, with varied success. Halon 1211 was the most successful, and the combined TMB pressurized with halon 1211 and nitrogen was called Boralon and was used experimentally by the Los Alamos National Laboratory for use on atomic metals, using sealed ...
Halotron I. Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Halotron I is a fire extinguishing agent based on the raw material HCFC-123 (93%) mixed with tetrafluoromethane and argon as propellants.
Bromotrifluoromethane, commonly referred to by the code numbers Halon 1301, R13B1, Halon 13B1 or BTM, is an organic halide with the chemical formula C Br F 3. It is used for gaseous fire suppression as a far less toxic alternative to bromochloromethane .
Halon 14 (tetrafluoromethane) Halon 2011B (1-bromo-2-chloroethane) Halon 2301 (1,1,1-trifluoro-2-bromoethane) Halon 2311 (1,1,1-trifluoro-2,2-chlorobromoethane, halothane) Halon 242 (1,2-dichlorotetrafluoroethane) Halon 2402 (dibromotetrafluoroethane, C 2 Br 2 F 4)—used as a fire extinguisher; Halon 2501 (pentafluorobromoethane) Halon 2600 ...
BCF, Halon 1211, H-1211, Freon 12B1 ... 91.5 CClF 2 CCl 3: 1,1,2-Trichlorotrifluoroethane: ... while Halon 1211 was, initially, mainly developed in the UK. By the ...
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