Fluorine fluorosulfate is an inorganic compound of fluorine, oxygen, and sulfur with the chemical formula .
Synthesis The compound can be prepared by the reaction of sulfur trioxide and fluorine at a temperature of 200 °C:
Also, a reaction of peroxydisulfuryl difluoride with fluorine.
Physical characteristics The compound is a strong oxidizing agent that is also potentially explosive.
At 200 °C the compound decomposes without explosion.
Chemical properties The compound reacts with bases to form the fluorosulfonate anion, the fluoride ion, water, and oxygen:
It reacts with potassium iodide to form potassium fluorosulfonate, potassium fluoride, and iodine:
Fluorine fluorosulfate reacts with , , , and and also with , , and . All compounds react exothermically, and sometimes explosively, between 80–298 K.
See also Bromine fluorosulfate Chlorine fluorosulfate Iodine fluorosulfate
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