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

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Upstream and downstream related products
of thionyl chloride
thionyl chloride as an important chemical raw material, widely used in medicine, pesticides, dyes, battery materials, organic synthesis and other fields. Therefore, the upstream and downstream related products of thionyl chloride are also quite rich.

upstream products:

1. Sulfur: Sulfur is used as one of the raw materials in the production process of thionyl chloride. Sulfur reacts with chlorine to produce sulfur chloride, and then reacts with sulfur trioxide to produce thionyl chloride.
2. Chlorine gas: Chlorine gas is another important raw material in the production process of thionyl chloride, which is made by electrolysis of salt water.
3. Sulfur trioxide: Sulfur trioxide is also one of the raw materials in the production process of thionyl chloride, which is prepared by the reaction of sulfuric acid and phosphorus pentoxide.

downstream products:

1. acyl chloride compounds: thionyl chloride can be used as an acylating agent, and alcohol, phenol and other reactions to generate the corresponding acyl chloride compounds, widely used in medicine, pesticides, dyes and other fields.
2. Organic sulfonic acid compounds: thionyl chloride can react with unsaturated hydrocarbons such as alkenes and alkynes to generate organic sulfonic acid compounds, which are used as surfactants, lubricating oils, etc.
3. Chloride: Thionyl chloride can react with metal oxides, hydroxides, etc. to generate the corresponding chloride, which is used in the preparation of metal smelting, battery materials and other fields.
4. other organic synthesis intermediates: thionyl chloride can also be used as a reaction intermediate, participate in a variety of organic synthesis reactions, the preparation of a variety of organic compounds, widely used in medicine, pesticides, spices and other fields.

In summary, the upstream and downstream related products of thionyl chloride are quite rich, and their application fields are extensive, which plays an important role in the development of the chemical industry.

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