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[Chemical Knowledge]：What are the upstream raw materials of flake? What do the downstream products contain?

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Phosphate, also known as sodium hydroxide, is a basic inorganic chemical raw materials, widely used in the production of many chemicals. In the field of chemical production raw materials, there are many upstream and downstream related products. The following are some major upstream and downstream related products:

Upstream products:

1. Salt: Salt is the main raw material for the production of flake caustic soda, and sodium hydroxide can be obtained by electrolyzing brine.

2. Lime: In the production of flake caustic soda, lime is often used as a precipitant to help remove impurities.

Downstream products:

1. Sulfonic acid: Sulfonic acid can be obtained by reacting flake alkali with sulfuric acid, which is an important surfactant and is widely used in detergents, wetting agents and other fields.

2. Phenols: the reaction of flake alkali with phenol and other phenolic substances can obtain the corresponding phenolates, which are widely used in plastics, rubber, synthetic fibers and other fields.

3. Esters: Fobase can catalyze the esterification reaction to generate various ester products, such as ethyl acetate, butyl acetate, etc. These ester products are widely used in plastics, coatings, spices and other fields.

4. Amides: the reaction of flake base with acid anhydride or ester can obtain amide products, such as ethylenediaminetetraacetic acid, etc. These substances have important applications in water treatment, printing and dyeing industries.

5. Chlorinated hydrocarbons: flake alkali can react with chlorinated hydrocarbons to generate corresponding alcohol products, such as methyl chloride and flake alkali reaction can be methanol. The

above only lists some of the upstream and downstream related products of the caustic soda. In fact, as a basic chemical raw material, the caustic soda has a wide range of applications and is related to many chemical products.

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