Chemical name: sodium hydroxide (caustic soda; caustic soda; caustic soda)

English name: Sodium hydroxide

CAS NO: 1310-73-2

Molecular formula: NaOH Molecular weight: 40

Physical and chemical properties:

Characters Pure products are colorless and transparent crystals.

Melting point 318.4οC

Boiling point 1390οC

Relative density 2.130

Solubility is easily soluble in water and is strongly exothermic. It is soluble in ethanol and glycerin; it is insoluble in acetone and ether. The dew is placed in the air and will eventually dissolve completely into a solution.

Uses: Basic chemical raw materials, widely used in chemical, metallurgical, paper, petroleum, textile and daily chemical industries.