Water disinfectant
Cholridric acid

Chlorine has a lot of applications. It is used with hygienic purposes and is indispensable in water treatment, being also used for disinfecting of industrial residues and pool cleaning. Due to its decolorizing properties it is used in the whitening of vegetal fibers like cotton, linen etc., and of paper pulp.

It is also used in industrial production of organic compound, like carbon tetrachloride, chlorobenzene, synthetic glycerin, etc.