Diphenylmethyl isocyanate is primarily used in the synthesis of various organic compounds, particularly in the production of pharmaceuticals and agrochemicals. It serves as a key intermediate in the creation of active ingredients for drugs, including antihistamines and anti-inflammatory medications. Additionally, it is utilized in the development of pesticides and herbicides, contributing to crop protection and agricultural productivity. Its reactivity with amines and alcohols makes it valuable in polymer chemistry, where it is employed in the production of polyurethanes and other specialty polymers. The compound's ability to form stable bonds also finds applications in the manufacturing of adhesives, coatings, and sealants, enhancing their durability and performance.