English name: Sodium hydroxide
Chinese alias: caustic soda; caustic soda; caustic soda; flaky caustic soda; ionic membrane caustic soda; liquid caustic soda; flaky caustic soda; granular caustic soda; solid caustic soda;
CAS RN: 1310-73-2; 8012-01-9
EINECS Number: 215-185-5
Molecular formula: NaOH
Molecular weight: 41.0045

Physical and chemical properties:

Properties: Pure product is colorless and transparent crystal.
Melting point: 318.4°C
Boiling point: 1390°C
Relative density: 2.130
Solubility: easily soluble in water and strongly exothermic. And soluble in ethanol and glycerol; insoluble in acetone, ether. When dew is placed in the air, it will eventually dissolve completely into a solution.

Performance characteristics: The solid body is white, shiny, allowed to take color, hygroscopic, and easily soluble in water.

Uses: Basic chemical raw materials, used as high-purity reagents, widely used in chemical, metallurgy, paper, petroleum, textile and daily chemical industries. Used in the manufacture of soap, paper, rayon, finishing cotton, and refining kerosene.