Phosphoric acid, also known as orthophosphoric acid or phosphoric(V) acid, is a weak acid with the chemical formula H. 3PO. 4. . It is normally encountered as a colorless syrup of 85% concentration in water
Phosphoric acid has many applications. Due to its non-toxic and mildly acidic nature, it is used in food flavoring, beverages, dental products, cosmetics, and skin care products. Industrially, it is used mainly in the production of phosphate fertilizers.