Tags: Chemical Compound, Chemical Substance.
Hexafluorophosphoric acid is the chemical compound with the chemical formula H3OPF6. This strong Brønsted acid features a non-coordinating anion hexafluorophosphate (PF−6). It is formed from the reaction of hydrogen fluoride with phosphorus pentafluoride.Like many strong acids hexafluorophosphoric acid is not isolable but is handled only in solution. Its aqueous solutions consist of hydronium ion H3O+ and PF−6.