Britannica
Sources used in this answer
Which uses have made organochlorine compounds important industrial chemicals?
Created from Britannica articles
using AI.
AI can make mistakes, so verify using Britannica articles.
organohalogen compound
Vinyl chloride is an organohalogen compound that has important industrial applications. When treated with certain catalysts, vinyl chloride monomers undergo polymerization and form the larger compound known as polyvinyl chloride, or PVC. PVC is used in the manufacture of numerous products, including packaging films and water pipes.
Organochlorine compounds have been significant industrial chemicals due to their versatility in various applications, though many have faced restrictions due to environmental and health concerns. Their primary uses include:12
- Polymer Production: The most significant industrial organochlorine is 1,2-dichloroethane, which is primarily converted into vinyl chloride and subsequently into polyvinyl chloride (PVC).2
- Pesticides and Insecticides: Compounds such as DDT, chlordane, and heptachlor were widely used in agriculture and for disease control, though many are now banned due to their persistence and toxicity.13
- Solvents and Propellants: Chemicals like dichloromethane have been utilized as solvents, paint removers, and aerosol propellants.2
- Electrical and Industrial Applications: Polychlorinated biphenyls (PCBs) were formerly used as heat-transfer mediums and insulating materials in electrical equipment.1
- Refrigerants: Chlorofluorocarbons (CFCs) were once standard as stable, nontoxic refrigerant gases before being phased out due to their role in ozone depletion.2
- Chemical Intermediates: Chloromethane serves as a vital starting material for producing silicone polymers.2