1-Bromo-4-tert-butylbenzene is primarily used as an intermediate in organic synthesis, particularly in the production of specialty chemicals and pharmaceuticals. Its structure allows it to participate in various coupling reactions, such as Suzuki and Heck reactions, making it valuable for creating complex organic molecules. It is also employed in the development of liquid crystals, which are essential components in display technologies like LCDs. Additionally, this compound finds use in the synthesis of agrochemicals, where it serves as a building block for creating pesticides and herbicides. Its stability and reactivity make it a versatile reagent in research and industrial applications.