Piperazine dihydrobromide is primarily used in the pharmaceutical industry as an intermediate in the synthesis of various drugs, particularly anthelmintics. It plays a crucial role in the production of medications designed to treat parasitic worm infections in both humans and animals. Its effectiveness in disrupting the nervous system of parasites makes it a valuable component in anti-parasitic formulations. Additionally, it is utilized in research and development for creating new therapeutic agents targeting neurological and infectious diseases. Its stability and solubility properties also make it suitable for use in laboratory settings for chemical synthesis and experimental studies.