2-Chloroethyl ethyl ether is primarily used as a reactive intermediate in organic synthesis, particularly for the preparation of ethers, pharmaceuticals, and agrochemicals. It serves as an alkylating agent in reactions due to its chloromethyl group, facilitating the formation of complex molecules. In the production of specialty chemicals, including pesticides and insecticides, its reactivity enhances synthetic processes. Additionally, it finds applications in the formulation of adhesives and coatings, where its solvent properties contribute to performance and stability. It is also utilized in laboratory research for studying various chemical reactions.