... :Pure anhydrous sodium hydroxide is white translucent, crystalline solid. It was strongly alkaline aqueous solution with alkali all ... :Caustic Soda Solid 99% Application:The use of sodium hydroxide and alkaline desiccant, paper, aluminum smelting, refining tungsten ... organic intermediates, old rubber regeneration system of metallic sodium, water electrolysis, as well as inorganic salt production ...