Caustic Soda Liquid is available in the market with the chemical formula of NaOH, with two concentrations of 50% and 48%. This liquid is white and clear and odorless. Liquid Sodium Hydroxide is soluble in water and equal proportions such as Ethanol, Methanol and Glycerin. The freezing point of this material is 4.4 and the boiling point is 145 °C.