Thionyl chlorofluoride

When Booth and Mericola (1940) allowed thionyl chloride to react with antimony trifluoride containing some antimony pentachloride they obtained as products both thionyl fluoride and thionyl chlorofluoride, SOC1F (21). The compound was also produced in the laboratory of Otto Ruff (1937) but the work was not published until 1951. For this work iodine pentafluoride was heated with thionyl chloride (165). 

Thionyl chlorofluoride is somewhat more reactive than thionyl fluoride but less so than thionyl chloride. It reacts with mercury and is readily hydrolyzed. Upon standing at room temperature for several months it disproportionates to a considerable extent into thionyl chloride and thionyl fluoride. The reactivity of SOC1F at elevated temperatures may be due largely to S0C12 formed by disproportionation (21). When thionyl chlorofluoride is chilled quickly it congeals to a glass (165) but it can be made to... 

Moissan and Lebeau (1901) produced sulfuryl fluoride by the combination of sulfur dioxide with fluorine (217). Other processes which have been used to produce the gas are (a) the thermal decomposition of barium fluorosulfonate or certain other fluorosulfonates (188, 221, 808), (b) the reaction of sulfur dioxide with chlorine and hydrogen fluoride in the presence of activated charcoal at 400° (11), (c) the reaction of sulfur dioxide and chlorine with potassium or sodium fluoride at 400° (328), (d) the disproportionation of sulfuryl chlorofluoride at 300-400° (328), (e) the reaction of sulfuryl chloride with a mixture of antimony trifluoride and antimony pentachloride at about 250° (86), (f) the reaction of sulfur dioxide with silver difluoride (86), (g) the reaction of thionyl fluoride with oxygen in an electrical discharge (314), (h) electrolysis of a solution of fluorosulfonic acid in hydrogen fluoride (264), ( ) the reaction of fluorine with sodium sulfate, sodium sulfite or sodium thiosulfate (229, 239), (j) the reaction of hydrogen fluoride with sulfuryl chloride (820). 

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