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[Chemical Knowledge]：What are the upstream raw materials for hydrochloric acid? What do the downstream products contain?

Read： 504 Time：13months ago Source：Transform the World with Simplicity

Hydrochloric acid plays an important role in the field of chemical production raw materials, and its upstream and downstream related products are quite abundant. The following are some of the main upstream and downstream related products:

Upstream products:

1. Chlorine: The production of hydrochloric acid is mainly made from chlorine and hydrogen as raw materials through combustion reactions. Therefore, chlorine is an important upstream product of hydrochloric acid.
2. Hydrogen: Hydrogen is another important raw material for the production of hydrochloric acid, mainly produced by water electrolysis or other methods.

downstream products:

1. vinyl chloride: hydrochloric acid can be used as a catalyst to promote the reaction of ethylene and chlorine to generate vinyl chloride. Vinyl chloride is an important raw material for the production of polyvinyl chloride (PVC).
2. Organic synthesis intermediates: hydrochloric acid can be used to produce a variety of organic synthesis intermediates, such as dichloroethane, chlorobenzene and so on. These intermediates are further useful in the production of pesticides, pharmaceuticals, dyes, etc.
3. inorganic salts: hydrochloric acid can react with metal oxides or hydroxides to generate corresponding inorganic salts, such as zinc chloride, ferric chloride, etc. These inorganic salts have a wide range of applications in industry.
4. Food additives: Hydrochloric acid can be used to produce some food additives, such as acid, preservatives, etc.

In short, hydrochloric acid is very rich in upstream and downstream related products in the field of chemical production raw materials, which is of great significance to industrial production.

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