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What is the difference between caustic soda, caustic soda and soda ash?

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What is the difference between caustic soda, caustic soda and soda ash?

Date of release:2019-02-19 Author: Click:

Caustic soda is NaOH sodium hydroxide, also known as caustic soda, caustic soda, caustic soda, Na2CO3 sodium carbonate, NaOH sodium hydroxide chemical formula, commonly known as caustic soda, caustic soda, is a strong caustic alkali with strong corrosiveness, generally flaky or massive form, easy to dissolve in water (when dissolved in water exothermic) and form alkaline solution, and also deliquescent, easy to absorb water vapor (deliquescence) in the air. ) With carbon dioxide (deterioration), hydrochloric acid can be added to check for deterioration.

NaOH is one of the chemicals in chemical laboratory, and it is also one of the common chemical products. Pure products are colorless transparent crystals. The density is 2.130g/cm3. Melting point 318.4 C. Boiling point 1390 C. Industrial products contain a small amount of sodium chloride and sodium carbonate, which are white opaque crystals. They are massive, flaky, granular and rodlike. Formula 39.997.

Sodium hydroxide can be used as alkaline detergent in water treatment, soluble in ethanol and glycerol, insoluble in propanol and ether. Disproportionation reaction with halogens such as chlorine, bromine and iodine. It neutralizes with acids to form salt and water.

Sodium carbonate (Na2CO3), molecular weight 105.99. The purity of chemicals is more than 99.5% (mass fraction), also known as soda ash, but classified as salt, not alkali. In international trade, it is also called soda or alkali ash. It is an important organic chemical raw material, mainly used in flat glass, glass products and ceramic glaze production. It is also widely used in daily washing, acid neutralization and food processing.

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