The chemical formula for sea salt is still NaCl, or sodium chloride, which is also called table salt. Sea salt is salt that just comes from the sea but it is still the same compound. This however varies with different salts in the sea. read more
there are MANY chemicals in sea salt: sea salt: Salt that is produced by the evaporation of sea water and that contains sodium chloride and trace elements such as sulfur, magnesium, zinc, potassium, calcium, and iron. read more
It is also called bay salt or solar salt. Like mineral salt, production of sea salt has been dated to prehistoric times. There is little or no health benefit to using sea salt over other forms of sodium chloride salts. read more