Mercury fluorides as fluorinating agents

Silver(I) Fluoride. Silver(I) fluoride, like the mercury fluorides, has been used as a fluorinating agent for many years. It can be used in most of the reactions for which other inorganic fluorides are used. Its use has declined in recent years, primarily because it is deliquescent, light-sensitive, and easily reduced. Only one-half of its fluorine is available for fluorination because it forms the compound AgCl-AgF, which has very little fluorinating power. 

Many metal fluorides beside KF have been tried as nucleophilic fluorinating agents but only a few succeeded in establishing themselves as such. We will briefly survey here fluorides of silver, mercury, cesium and antimony. 

Mercury (II) fluoride may be used as a fluorinating agent in organic chemistry. 

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