4,5-Dichloro-2-iodoaniline is primarily used in organic synthesis as a key intermediate in the production of various chemical compounds. Its unique structure, featuring both chlorine and iodine substituents, makes it valuable in the development of pharmaceuticals, particularly in the synthesis of active pharmaceutical ingredients (APIs) that require halogenated aromatic amines. Additionally, it serves as a building block in the creation of agrochemicals, such as herbicides and pesticides, where its halogenated properties enhance the efficacy and stability of the final product. The compound is also utilized in research and development for designing novel materials and dyes, leveraging its reactivity and ability to form complex structures.