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[Chemical Knowledge]：What are the upstream raw materials for sodium hydrosulfide? What are the downstream products?

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Sodium hydrosulfide is an important chemical raw material, which is widely used in many fields. In the field of raw materials for chemical production, the upstream and downstream related products of sodium hydrosulfide mainly include the following aspects:

upstream products:

1. sodium hydroxide: sodium hydroxide is one of the important raw materials for the production of sodium hydrosulfide, and sodium hydrosulfide is produced by reacting with hydrogen sulfide.

2. Hydrogen sulfide: Hydrogen sulfide is another important raw material for the production of sodium hydrosulfide, which reacts with sodium hydroxide to obtain sodium hydrosulfide.

downstream products:

1. Rubber additives: sodium hydrosulfide can be used as raw materials for rubber additives, used in the production of accelerators, antioxidants, etc., to improve the performance and service life of rubber.

2. Dyes and pigments: Sodium hydrosulfide can be used in the production of dyes and pigments, as a reducing agent and precipitant, so that the pigment has better color and stability.

3. mineral processing agent: sodium hydrosulfide can be used as mineral processing agent, used to extract gold, silver and other precious metals and copper, zinc and other non-ferrous metals.

4. Pesticides: Sodium hydrosulfide can be used to produce certain pesticides, such as fungicides and insecticides, which play an important role in crop pest control.

In short, sodium hydrosulfide has a wide range of applications in the field of chemical production raw materials, its upstream and downstream related products cover rubber, dyes, pigments, mineral processing and pesticides and other fields.

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