Bromoethane is primarily used as an ethylating agent in organic synthesis, enabling the introduction of ethyl groups into various compounds. It is particularly valuable in the production of pharmaceuticals, where it aids in the synthesis of active pharmaceutical ingredients (APIs). Additionally, it serves as a reagent in the preparation of agrochemicals, contributing to the development of pesticides and herbicides. In the field of industrial chemistry, bromoethane is utilized in the manufacture of dyes, fragrances, and other specialty chemicals. It also finds application in laboratories as a solvent or intermediate in research and development processes. However, its use requires careful handling due to its potential toxicity and flammability.