Caustic soda pearls is obtained from sodium hydroxide.It is a solid white,hygroscopic,odorless substance. Caustic soda pearls easily dissolves in water,with heat release. The product is soluble in methyl and ethyl alcohols.
Sodium hydroxide is a strong electrolyte(completely ionized both in crystalline and solution states).Sodium hydroxide is not volatile,but it rises easily in air as aerosols. It is insoluble in ethyl ether.