1,3-Dibromopropane is primarily used as a chemical intermediate in the synthesis of various organic compounds. It plays a key role in the production of pharmaceuticals, where it serves as a building block for active pharmaceutical ingredients. Additionally, it is utilized in the manufacture of agrochemicals, contributing to the development of pesticides and herbicides. In material science, it is employed in the creation of specialty polymers and resins, enhancing their properties for specific applications. The compound is also used in research laboratories for organic synthesis, particularly in cross-coupling reactions and as a precursor for other brominated compounds. Its versatility in these fields makes it a valuable component in industrial and scientific processes.