Disulfuryl fluoride

Disulfuryl fluoride is an inorganic compound of sulfur, fluorine, and oxygen with the chemical formula .

Synthesis

Autoclave heating of sulfur trioxide and calcium fluoride:

:

The compound can be produced by the reaction of and in deuterated chloroform at −100 °C:

:

It can also be produced in the reaction of iodine pentafluoride and sulfur trioxide.

Other methods are also known.

Physical properties

Pyrosulfuryl difluoride forms a colorless liquid that smokes slightly in the air. It causes severe suffocation and resembles phosgene in its action.

Chemical properties

When heated, the compound is stable to a temperature of 200 °C.

It is slowly hydrolyzed by water:

:

It reacts with tetraethyl titanate to produce diethoxytitanium difluorosulfonate:

:

See also

• Disulfuryl chloride
• Disulfuryl chloride fluoride
• Peroxydisulfuryl difluoride

References