Sodium chloride, also known astable saltor simplysalt, is a chemical compound with the formulaNaCl, consisting of sodium and chloride ions. It is one of the most abundant compounds on Earth and plays an essential role in both the human body and industry. Sodium chloride is essential for regulating water balance and blood pressure, as well as for nerve and muscle function. Industrially, it is used in the manufacture of chemicals, food preservation, and road de-icing. Due to its versatile applications and its importance in biological processes, sodium chloride is one of the most important chemical substances of all.