English Name:Sodium Hydroxide, Caustic Soda

Physical properties: white flakes, granules, shiny, color allowed, hygroscopic, soluble in water.

Chemical properties: Melting point 318.4 ℃ Boiling point 1390 ℃ The relative density of 2.130

Solubility: soluble in water, and strongly exothermic. Dissolved in ethanol and glycerol easily; insoluble in acetone, ether. Exposed on the air, it will eventually completely dissolved into solution.