Used primarily as an intermediate in the synthesis of other chlorinated compounds, especially in the production of pesticides and flame retardants. It serves as a building block in organic reactions where high chlorine content is required for further transformation. Due to its stability and reactivity profile, it is also employed in industrial processes involving chlorination or as a precursor in the manufacture of refrigerants and plastic additives. Its use is generally limited to controlled chemical synthesis environments due to environmental and toxicity concerns.