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[Chemical Knowledge]：Properties and Uses of Sodium Salicylate

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Sodium salicylate is an important organic chemical raw material, widely used in medicine, pesticides, dyes, spices and other fields. This article will detail the properties and uses of sodium salicylate.

1. sodium salicylate properties

1. physical properties
sodium salicylate is white crystalline powder, odorless, taste sweet, weathering. It is easily soluble in water, ethanol and ether, but hardly soluble in benzene, chloroform and petroleum ether. Its aqueous solution is alkaline reaction.

2. Chemical properties
sodium salicylate has phenolic hydroxyl and carboxyl groups, so it has the properties of phenol and carboxylic acid. The hydrogen atom on the phenolic hydroxyl group can be replaced by sodium metal to generate sodium salicylate, and the hydrogen atom on the carboxyl group can be neutralized by alkali to generate salicylate. In addition, sodium salicylate can also undergo esterification, acylation, halogenation and other reactions.

2. the use of sodium salicylate

1
in the field of medicine sodium salicylate has a wide range of applications in the field of medicine. It can be used as an antipyretic analgesic, with anti-inflammatory, anti-rheumatic, antipyretic and analgesic effects. Commonly used to treat colds, flu, rheumatoid arthritis and other diseases.

2.
in the field of pesticides Sodium salicylate also has important applications in the field of pesticides. It can be used as a fungicide and plant growth regulator, and has a good effect on the prevention and control of rice blast, powdery mildew and other diseases. At the same time, it can also promote plant growth and increase crop yield.

3. Dye Field
Sodium salicylate can be used as a mordant and intermediate in the dye field. It reacts with different compounds to generate dyes of various colors, which are widely used in textile, printing and dyeing industries.

4. Fragrance Field Sodium salicylate
also has a slight fragrance, so it can be used as a fragrance. It is often compounded with other spices to modulate the aroma of food, cosmetics and other products.

In short, sodium salicylate as an important organic chemical raw materials, in medicine, pesticides, dyes, spices and other fields have a wide range of applications. Understanding its properties and uses will help us make better use of this compound and bring more contributions to human production and life.

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