Introduction of hexafluorophosphoric acid Hexafluorophosphoric acid, also known as HFPO or F6P, is a strong mineral acid used in a variety of industrial and chemical applications. Lithium hexafluorophosphate is a white powder that is insoluble in water. It is used as a reagent and fungicide in the production of lithium salts. HFPO has many unique properties that make it ideal for many...