Sodium hydroxide  


English name Sodium hydroxide
Alias Caustic soda; caustic soda; caustic soda; flake caustic soda; ion-exchange membrane caustic soda; liquid caustic soda; flake caustic soda; granular caustic soda; solid caustic soda; pearl caustic soda;
CAS RN 1310-73-2;8012-01-9
EINECS number 215-185-5
Molecular formula NaOH
Molecular weight 41.0045
Dangerous goods sign  C: Corrosive
Risk term R35 ;
Security term S24/25 ;  S37/39 ;  S45 ;
Physical and chemical properties

 Property Pure products are colorless and transparent crystals.
Melting point: 318.4°C;
boiling point: 1390°C;
relative density: 2.130;
solubility: easily soluble in water, and strongly exothermic. It is soluble in ethanol and glycerin; insoluble in acetone and ether. When the dew is placed in the air, it will completely dissolve into a solution.

Performance characteristics: The solid body is white, shiny, allowing to be colored, hygroscopic, and easily soluble in water.

Uses Basic chemical raw materials, used as high-purity reagents, widely used in chemical, metallurgy, papermaking, petroleum, textile and daily chemical industries. Used for making soap, paper, rayon, finishing cotton fabric, refining kerosene
Sodium hydroxide
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