Chlorine, an inorganic chemical that can be obtained both naturally and synthetically, has a huge variety of uses, as a disinfectant and purifier, in plastics and polymers, solvents, agrochemicals and pharmaceuticals, as well as an intermediate in manufacturing other organic and inorganic substances. Chlorine is also used worldwide to purify water supplies as the ultimate defence against waterborne microbiological infection. Chlorine is also part of many naturally occurring and synthetically produced organochlorine components and plays a vital / necessary role in everyone´s life.