The chemical formula for phosphoric acid is H₃PO₄. It is a triprotic acid, meaning it can donate three protons (hydrogen ions) when dissolved in solution. Phosphoric acid is colorless and odorless, and it is widely used in various applications, including as an acidulant in food and beverages, particularly in soft drinks. It also plays a key role in the production of fertilizers, as phosphorus is an essential nutrient for plant growth. In addition, phosphoric acid is utilized in the manufacturing of pharmaceuticals, dental products, and rust removers, showcasing its versatility in multiple industries.