Fluorine fluorosulfate
Fluorine fluorosulfate
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Fluorine fluorosulfate

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Fluorine fluorosulfate

Fluorine fluorosulfate is an inorganic compound of fluorine, oxygen, and sulfur with the chemical formula F2O3S.

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.

The compound is a strong oxidizing agent that is also potentially explosive.

At 200 °C the compound decomposes without explosion.

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 SSF2, SeF4, AsF3, and MoF5 and also with SF4, Br2, and I2. All compounds react exothermically, and sometimes explosively, between 80–298 K.

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