Benzhydrylphosphonic acid is primarily utilized in organic synthesis as a building block for the creation of more complex molecules. Its structure makes it valuable in the development of pharmaceuticals, particularly in the design of drugs that target specific enzymes or receptors. The compound is also employed in the preparation of coordination polymers and metal-organic frameworks (MOFs), where its phosphonic acid group facilitates strong binding with metal ions, leading to materials with potential applications in catalysis, gas storage, and separation processes. Additionally, it serves as a precursor in the synthesis of phosphonate-based ligands, which are used in various chemical reactions and industrial processes.