High content alkali of 96%
Chinese name  Sodium hydroxide  
English name  Sodium hydroxide
Chinese alias  Caustic soda; caustic soda; protopine; ion-exchange membrane caustic soda; Sodium hydroxide, solution; caustic soda (flake); caustic soda (solid); Sodium hydroxide (liquid); caustic alkali (liquid); liquid; caustic soda (liquid).  
CAS RN 1310-73-2
EINECS  215-185-5
Molecular formula  NaOH
Physico-chemical nature  Property The pure is colorless and transparent crystal
Melting point 318.4?
Boiling point 1390?
Relative density 2.130
Solubility soluble in water with strongly exothermic. Soluble in ethanol and glycerin; unsoluble in acetone, ethyl ether. Exposed on the air will be completely dissolved into solution.
Use  Basic chemical raw materials for high-purity reagents, used in chemical industry, metallurgy, paper, petroleum, textiles, daily-use chemical and other departments.

Low alkali content of 20% -70%
Chinese name  Sodium hydroxide  
English name  Sodium hydroxide
Chinese alias  Caustic soda; caustic soda; protopine; ion-exchange membrane caustic soda; Sodium hydroxide, solution; caustic soda (flake); caustic soda (solid); Sodium hydroxide (liquid); caustic alkali (liquid); liquid; caustic soda (liquid).  
CAS RN 1310-73-2
EINECS  215-185-5
Molecular formula  NaOH
Physico-chemical nature  Property The pure is colorless and transparent crystal
Melting point 318.4?
Boiling point 1390?
Relative density 2.130
Solubility soluble in water with strongly exothermic. Soluble in ethanol and glycerin; unsoluble in acetone, ethyl ether. Exposed on the air will be completely dissolved into solution.
Use  Basic chemical raw materials for high-purity reagents, used in chemical industry, metallurgy, paper, petroleum, textiles, daily-use chemical and other departments.