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

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of the upstream and downstream related products
of sodium sulfide Sodium sulfide is an important inorganic chemical raw material, which is widely used in chemical industry, metallurgy, paper making, leather, dye and other industries. In the field of raw materials for chemical production, the upstream and downstream related products of sodium sulfide mainly include the following aspects:

upstream products:

1. Sodium hydroxide: The production of sodium sulfide mainly uses sodium hydroxide as raw material and is obtained by reacting with sulfur. Therefore, the price and supply of sodium hydroxide have an important impact on the production cost and market supply of sodium sulfide.

2. Sulfur: Sulfur is another important raw material for the production of sodium sulfide. The quality and purity of sulfur have a great influence on the product quality of sodium sulfide.

downstream products:

1. Sulfur dyes: Sodium sulfide can be used as the raw material of sulfur dyes, and react with dye intermediates to obtain sulfur dyes of various colors. Sulfur dyes are widely used in the dyeing of cotton, hemp and silk fabrics due to their good properties of light resistance, washing resistance and oxidation resistance.

2. Rubber accelerator: Sodium sulfide can be used to produce rubber accelerator, increase the vulcanization speed and crosslinking density of rubber, and improve the performance of rubber.

3. Leather tanning agent: Sodium sulfide can be used as a leather tanning agent to make leather more soft, durable and shiny.

4. Metal smelting: Sodium sulfide can be used in the metal smelting process as a desulfurizer and deoxidizer to improve smelting efficiency and metal quality.

In short, as an important chemical raw material, sodium sulfide has a wide range of upstream and downstream related products, which is of great significance to the development of the chemical industry.

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