Ethyl isocyanatoacetate 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 antibiotics and anti-inflammatory agents. Additionally, it is utilized in the development of herbicides and pesticides, contributing to crop protection and agricultural productivity. In material science, it is employed in the preparation of polymers and coatings, enhancing their durability and performance. Its reactivity with amines and alcohols makes it valuable in creating adhesives and sealants with improved bonding properties.