Diethylamine is widely used in the production of rubber chemicals, where it serves as a key intermediate in the synthesis of vulcanization accelerators. These accelerators enhance the speed and efficiency of the vulcanization process, improving the durability and elasticity of rubber products. In the pharmaceutical industry, it is utilized as a building block for the synthesis of various drugs, including antihistamines and local anesthetics. Additionally, diethylamine finds application in the manufacture of corrosion inhibitors, which protect metal surfaces from degradation in industrial environments. It is also employed in the production of agrochemicals, such as herbicides and pesticides, contributing to crop protection and yield improvement. Furthermore, diethylamine is used as a solvent and catalyst in organic synthesis, facilitating the creation of complex chemical compounds. Its versatility makes it a valuable component in multiple industrial processes.