Used primarily as an intermediate in the synthesis of organophosphorus compounds, it plays a crucial role in the production of flame retardants and plasticizers. This chemical is also employed in the development of water treatment agents, helping to control scale and corrosion in industrial water systems. Additionally, it serves as a key reagent in the preparation of herbicides and pesticides, contributing to effective agricultural pest management. Its applications extend to the field of metal surface treatment, where it aids in improving the adhesion and durability of coatings.