What Is Caustic Soda

- Jun 04, 2019-

Sodium hydroxide, chemical formula is NaOH, commonly known as caustic soda, caustic soda, caustic soda, is a strong corrosive strong base, generally in the form of flakes or blocks, soluble in water (dissolved in water) An alkaline solution is formed, which is deliquescent. It is easy to absorb water vapor (deliquescent) and carbon dioxide (deterioration) in the air. It can be added with hydrochloric acid to check whether it has deteriorated.


NaOH is one of the essential chemicals in the chemical laboratory and one of the most common chemicals. Pure products are colorless and transparent crystals. The density is 2.130 g/cm3. 318.4 ° C melting point. The boiling point is 1390 ° C. Industrial products contain small amounts of sodium chloride and sodium carbonate and are white opaque crystals. There are blocks, flakes, granules and rods. The amount is 39.997.


Sodium hydroxide can be used as an alkaline cleaning agent in water treatment, soluble in ethanol and glycerin; insoluble in propanol and ether. Disproportionation reaction with halogens such as chlorine, bromine and iodine. It neutralizes with acids to form salts and water.


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