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Fluorides hexachloroethane

In the presence of catalysts, trichloroethylene is readily chlorinated to pentachloro- and hexachloroethane. Bromination yields l,2-dibromo-l,l,2-trichloroethane [13749-38-7]. The analogous iodine derivative has not been reported. Fluorination with hydrogen fluoride in the presence of antimony trifluoride produces 2-chloro-l,l,l-trifluoroethane [75-88-7] (8). Elemental fluorine gives a mixture of chlorofluoro derivatives of ethane, ethylene, and butane. [Pg.23]

Photochlorination of tetrachloroethylene, observed by Faraday, yields hexachloroethane [67-72-1]. Reaction with aluminum bromide at 100°C forms a mixture of bromotrichloroethane and dibromodichloroethane [75-81-0] (6). Reaction with bromine results in an equiUbrium mixture of tetrabromoethylene [79-28-7] and tetrachloroethylene. Tetrachloroethylene reacts with a mixture of hydrogen fluoride and chlorine at 225—400°C in the presence of zirconium fluoride catalyst to yield l,2,2-trichloro-l,l,2-trifluoroethane [76-13-1] (CFG 113) (7). [Pg.28]

Blood samples for analysis of volatile organic compounds (VOCs) including hexachloroethane should be collected into containers from which VOC contamination has been reduced (Ashley et al. 1992). Potassium oxalate/sodium fluoride is the recommended anti-coagulant. Blood samples should be placed on ice or refrigerated shortly after collection, and Ashley et al. (1992) recommend that analysis for VOCs be completed within 14 days. [Pg.136]

Zinc oxide is an odorless, amorphous, white or yellowish-white powder. It is incompatible with chlorinated rubber, linseed oil, magnesium, hydrogen fluoride, aluminum + hexachloroethane, zinc chloride or phosphoric acid water should be avoided. On decomposition, toxic fumes are released from zinc oxide. °... [Pg.102]

ESTANO (Spanish) (7440-31-5) Finely divided material is combustible and forms explosive mixture with air. Contact with moisture in air forms tin dioxide. Violent reaction with strong acids, strong oxidizers, ammonium perchlorate, ammonium nitrate, bis-o-azido benzoyl peroxide, bromates, bromine, bromine pentafluoride, bromine trifluoride, bromine azide, cadmium, carbon tetrachloride, chlorine, chlorine monofluoride, chlorine nitrate, chlorine pentafluoride, chlorites, copper(II) nitrate, fluorine, hydriodic acid, dimethylarsinic acid, ni-trosyl fluoride, oxygen difluoride, perchlorates, perchloroethylene, potassium dioxide, phosphorus pentoxide, sulfur, sulfur dichloride. Reacts with alkalis, forming flammable hydrogen gas. Incompatible with arsenic compounds, azochloramide, benzene diazonium-4-sulfonate, benzyl chloride, chloric acid, cobalt chloride, copper oxide, 3,3 -dichloro-4,4 -diamin-odiphenylmethane, hexafluorobenzene, hydrazinium nitrate, glicidol, iodine heptafluoride, iodine monochloride, iodine pentafluoride, lead monoxide, mercuric oxide, nitryl fluoride, peroxyformic acid, phosphorus, phosphorus trichloride, tellurium, turpentine, sodium acetylide, sodium peroxide, titanium dioxide. Contact with acetaldehyde may cause polymerization. May form explosive compounds with hexachloroethane, pentachloroethane, picric acid, potassium iodate, potassium peroxide, 2,4,6-trinitrobenzene-1,3,5-triol. [Pg.503]

The results of detailed studies on AlFs-catalysed vapour-phase fluorination of carbon tetrachloride and hexachloroethane (or C2CI4 + Qs) with hydrogen fluoride... [Pg.29]

Ethylene is treated with an excess of chlorine at 300—350°C in the presence of activated charcoal to give hexachloroethane. This product is then treated with hydrogen fluoride in the presence of antimony pentachloride to yield trichloro-trifluo roe thane. Dechlorination in the liquid phase with zinc dust and ethanol... [Pg.138]

Halogenated thiophenes, which are important intermediates for the synthesis of further substitution patterns, can be generated by the reaction of thienyllithium derivatives with sources of electrophilic halogens. Fluorination is possible using perchloryl fluoride forming the corresponding product 95 in moderate yield (Scheme 39) [20, 238-240]. Chlorine can be introduced by the reaction of thienyllithium with chlorine, hexachloroethane, trichloroacetonitrile, or sulfonyl chloride [20, 173, 180, 226, 229, 240-244]. Tetrabromomethane is used for bromi-nations [245] and aUcyl iodides for iodinations (Scheme 40) [24, 123, 246-250]. [Pg.135]


See other pages where Fluorides hexachloroethane is mentioned: [Pg.285]    [Pg.8]    [Pg.139]    [Pg.65]    [Pg.305]    [Pg.256]    [Pg.65]    [Pg.187]    [Pg.460]    [Pg.460]    [Pg.256]    [Pg.1008]    [Pg.83]    [Pg.1253]    [Pg.304]    [Pg.2410]    [Pg.176]    [Pg.1621]   


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Hexachloroethane

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