1-Bromo-4-dodecylbenzene is primarily used in organic synthesis as an intermediate for the production of surfactants and detergents. Its long alkyl chain makes it suitable for creating compounds that can lower surface tension, which is essential in formulations for cleaning agents and emulsifiers. Additionally, it serves as a precursor in the synthesis of liquid crystals, which are crucial components in display technologies like LCD screens. The compound is also utilized in research and development for designing new materials with specific chemical and physical properties, particularly in the field of advanced polymers and coatings.