Sodium hydroxide is a kind of basic materials in organic chemicals, which is a colorless transparent crystal, soluble in water, Also send out blunt intense heat And soluble in ethanol and glycerin; Insoluble in acetone, ether. Dew on the air, finally will completely dissolved into solution. The performance characteristic is solid, the subject is white and glossy, allowed color, have hygroscopic, soluble in water.Mainly used for high purity reagent, widely used in chemical industry, metallurgy, papermaking, petroleum, textile and daily chemical and other departments. Used in the manufacture of soap, paper, rayon, sorting cotton, refining kerosene