It is used in the form of superphosphoric acid for the production of DAP and MAP.
It is used for metal polishing, rust proofing and metal pickling for aluminum, stainless steel, copper etc. It is employed as rust removing agent for equipment maintenance e.g. boilers and heat exchangers
It is used acidulant, flavoring agent and yeast nutrient in beverages, cold drinks, jams, as an ingredient in bread.
It is used for production of phosphate salts and hydrogen halides.
It is used as catalyst in plastic industry, ceramic colors and in etching process of semiconductors in LCD.