... /COA food additive caustic soda NaOHDetailed Description:Other names: sodium hydroxideMolecular formula: NaOHCAS NO.:1310-73-21.Product characteristics ... intermediate, old rubber regeneration, and in the manufacturing of sodium metal, in the electrolysis of water, na din the ... of inorganic salt, and also in the making of sodium borate, chromium salt, manganate, phosphate need large quantity ...