1,7-Dibromoheptane is primarily used as a chemical intermediate in organic synthesis. It serves as a key building block in the production of longer-chain polymers and specialty chemicals. One of its main applications is in the synthesis of surfactants, where it helps create compounds with specific hydrophobic and hydrophilic properties. Additionally, it is utilized in the preparation of liquid crystals, which are essential components in display technologies like LCDs. The compound also finds use in research and development for creating complex organic molecules, including pharmaceuticals and agrochemicals. Its dual bromine atoms make it a versatile reagent for cross-coupling reactions in advanced chemical synthesis.