Hydrochloric Acid or muriatic acid is a colorless inorganic chemical system with the formula HCl.

It is used used in a wide range of industries. It is used to purify table salts. Hydrochloric acid is also used in the manufacture of Polyvinyl Chloride (PVC) for plastics. This chemical is used highly in the production of inorganic compounds such as water treatment chemicals and paper production.