Sodium hydroxide is colorless transparent liquid. Relative density is 1.328-1.349, melting point is 318.4℃, boiling point is 1390℃. Pure liquid caustic soda is colorless transparent liquid. Industrial sodium hydroxide contains many impurities including sodium chloride, sodium carbonate and a few ferric oxide.
| Alias | Caustic soda; lye, caustic; sodium hydrate; soda lye; white caustic; caustic soda flakes; flake caustic; caustic soda solid; caustic soda pearls; solid caustic soda; Liquid Caustic Soda; Food Additives Sodium Hydroxide; Caustic soda flake; Solid Sodium hydroxide; Caustic Soda; Sodium Hydrate |
|---|---|
| English name | Sodium hydroxide |
| Molecular formula | NaOH |
| Molecular weight | 40.00 |
| Appearance and properties | Pure product is colorless transparent liquid |
| CAS RN | 1310-73-2 |
Sodium hydroxide is colorless transparent liquid. Relative density is 1.328-1.349, melting point is 318.4℃, boiling point is 1390℃. Pure liquid caustic soda is colorless transparent liquid. Industrial sodium hydroxide contains many impurities including sodium chloride, sodium carbonate and a few ferric oxide.
Sodium hydroxide is an imporant chemical material. It is used in producing formic acid, oxalic acid, borax, phenol, sodium cyanide, soap, synthetic fatty acid, synthetic detergent and other products in chemical industry. In dyeing industry, it can be used as desizing agent, scouring agent, mercerizing agent, and solvent of vat dyes and hydron blue dyess. In smelting industry, it can be used in producing aluminium hydroxide, aluminium oxide, and metal surface treatment agent. Moreover, sodium hydroxide is widely used in enamel, medicine, cosmetics, leather, coating, pesticide, glass, and other industries.
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