Sodium Chloride (NaCl) is an inorganic chemical compound commonly referred to as an edible form of table salt. It is an ionic compound. It has a substantial chemical and industrial role. It is a common salt, found in seawater in a huge amount. It is a salt of a halogen and alkali metal. It is freely soluble in water. The salt solution of Sodium Chloride is called brine. It is an inorganic chloride and a metal halide.