... % 3. Appearance: White flakes with strong corrosion Commodity: Caustic Soda for soap making / sodium hydroxide 99% minMolecular formula: NaOH 1.Detailed ... metallic sodium, water electrolysis, as well as inorganic salt production, preparation of borax, chromium salt, potassium permanganate, phosphate, etc., but also the use ... sample,best price.4,Small quantity is welcomed. caustic soda for soap making