Nitrosonium hexafluoroantimonate is an inorganic compound with the chemical formula , composed of the nitrosonium cation [NO]+ and hexafluoroantimonate anion [SbF6]-. The decomposition of this substance releases hydrogen fluoride, nitrogen oxides, and antimony oxides.
Uses Nitrosonium hexafluoroantimonate is used as an oxidizing agent in organic synthesis.
Reactions Nitrosonium hexafluoroantimonate forms mixed-cation salts with other hexafluoroantimonates in liquid anhydrous hydrogen fluoride. For example, when combined with copper(II) hexafluoroantimonate, it forms copper(II) nitrosohexafluoroantimonate:
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