... Caustic soda Molecular formula: NaOH. Commercially available are solid caustic soda flake caustic soda and liquid caustic soda two ... colorless transparent liquid. Of solid caustic soda has very strong hygroscopicity. Soluble in water, dissolved when the heat, alkaline aqueous ... soda, caustic soda, sodium hydroxide solution can be dissolved in the separation of non-cellulose components, thus the ...