What is a Phosphoric acid?

Phosphoric acid (chemical formula: H₃PO₄) is a commonly used inorganic acid containing phosphorus. It appears as a colorless, odorless, and highly soluble liquid or crystalline solid. Industrially, it is produced by treating phosphate rock with sulfuric acid. In water, phosphoric acid partially ionizes into phosphate ions (H₂PO₄⁻, HPO₄²⁻, PO₄³⁻), making it a triprotic acid. Phosphoric acid is essential in agriculture as a component of phosphate fertilizers, supporting plant growth. In the food industry, it's used as an acidulant in soft drinks, a preservative, and a pH stabilizer in processed foods. It's also used in detergents, rust removal, water treatment, and metal surface finishing such as anodizing aluminum.

Biologically, phosphorus is vital for DNA, RNA, ATP, and cell membranes. Though important, excessive intake of phosphate additives can cause health issues, especially in people with kidney disease. Thus, phosphoric acid plays crucial roles in both industry and life sciences.

※Includes information on some trading companies