Chlorine is widely used in making many everyday products and essential for a healthy human life. It is vital for water disinfection for producing safe drinking water all over the world. Chlorine is an important chemical for water purification in water treatment plants. Chlorine in water is highly effective as a disinfectant against Escherichia coli and used to kill bacteria and other microbes in public swimming pools.
Eighty-five percent of medicines either contain chlorine or use chlorine in the production process.Chlorine is also extensively used in the production of paper products, dyestuffs, textiles, petroleum products, antiseptics, insecticides, food, solvents, paints, plastics, and many other consumer products.