Used primarily as a chlorinating agent in organic synthesis, this compound efficiently transfers chlorine atoms to various substrates, making it valuable in the preparation of chlorinated organic compounds. It is particularly effective in the chlorination of alkenes, alcohols, and carbonyl compounds under mild conditions. Due to its stability and selectivity, it serves as a reagent in pharmaceutical and agrochemical manufacturing where controlled chlorination is required. Additionally, it has been employed in polymer chemistry for modifying polymer structures through chlorination, enhancing flame retardancy and thermal stability. Its solid form and ease of handling make it preferable over gaseous or liquid chlorinating agents in industrial processes.