4-Bromo-3-fluoroaniline is primarily used as an intermediate in the synthesis of various pharmaceuticals and agrochemicals. Its structure, featuring both bromo and fluoro substituents, makes it a valuable building block in organic chemistry. It is often employed in the production of active pharmaceutical ingredients (APIs) where the introduction of halogen atoms enhances the biological activity or stability of the final compound. Additionally, it is utilized in the development of dyes and pigments, where its aromatic amine group facilitates the creation of complex colorants. In agrochemical research, it serves as a precursor for the synthesis of herbicides and pesticides, contributing to the development of more effective and targeted crop protection agents. Its versatility in chemical reactions, such as coupling and substitution, makes it a key component in industrial and laboratory settings.