China Take Majority Share in Caustic Soda Production in Asia Pacific: Ken Research Sodium hydroxide, caustic, and lye are also known as Caustic soda. The chemical formula of caustic soda is NaOH when in anhydrous form (100%, solid). It has a molecular weight of 40.00 and is a strong base and is used in almost all kinds of chemical production. China is one of the major manufacturing regions… Read More »