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

Salicylic acid plays an important role in the field of raw materials for chemical production, and its upstream and downstream related products are extensive. The following will detail the upstream and downstream related products of salicylic acid.

upstream products

1. phenol: phenol is one of the important raw materials of salicylic acid, through the reaction of phenol with sodium hydroxide, and then through acidification, crystallization and other processes, salicylic acid can be produced.
2. coal tar: coal tar also contains salicylic acid precursor substances, through a certain process, these substances can be converted into salicylic acid.

Downstream Products

1. Aspirin: Salicylic acid is the key raw material for the production of aspirin, which is currently one of the most widely used antipyretic, analgesic and anti-inflammatory drugs.
2. Methyl salicylate: Methyl salicylate is a colorless to light yellow transparent liquid with fragrance, which can be used as organic synthesis intermediates for the production of spices, dyes, drugs and so on.
3. Sodium salicylate: Sodium salicylate is the sodium salt of salicylic acid, can be used as preservatives, fungicides, etc., can also be used in the preparation of other salicylic acid derivatives.
4. Ethyl salicylate: Ethyl salicylate is a colorless liquid with a fragrance that can be used as a solvent and as an intermediate in organic synthesis.

To sum up, the upstream and downstream related products of salicylic acid are very extensive, involving many fields such as medicine and chemical industry. With the continuous advancement of technology and the continuous expansion of applications, the upstream and downstream products of salicylic acid will continue to increase, providing more support and protection for the development of various fields.
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