Diphenyl malonate is widely used as a key intermediate in organic synthesis, particularly in the production of pharmaceuticals and agrochemicals. It serves as a building block for the preparation of various esters and amides, which are essential in drug development. Additionally, it is employed in the synthesis of fine chemicals and specialty polymers, where its reactivity and stability make it a valuable component. In the field of materials science, diphenyl malonate is utilized in the creation of coatings and adhesives, enhancing their performance and durability. Its role in crosslinking reactions also makes it useful in the production of resins and composites. Furthermore, it finds application in the manufacturing of dyes and pigments, contributing to the vibrancy and stability of these materials.