High Purity C7H5ClO3 5 Chlorosalicylic Acid For Pesticide

CAS 321-14-2 High Purity 99.8%min 5-Chlorosalicylic Acid

Applications

Agrochemical Intermediates, Pharmaceutical Intermediates, Syntheses Material

Properties

White crystalline powder.
It is soluble in hot water, hardly soluble in cold water, and easily soluble in ethanol, ether, benzene, chloroform and acetic acid.
The effect of ferric chloride is reddish purple.

Specification

Synonyms

2-Hydroxy-5-chlorobenzoic acid;

5 CSA;

5-chloro-2-hydroxy-benzoicaci;

5-chloro-salicylicaci;

Benzoic acid, 5-chloro-2-hydroxy-;

Salicylic acid, 5-chloro-;CHLOROSALICYLIC(5-) ACID;

5-CHLOROSALICYLIC ACID

Production method

Add chlorobenzene to an enamel pot to steam the moisture to below 0.03%, add salicylic acid, and evenly pass chlorine to a predetermined amount at 110±2°C. Take a sample and observe the precipitate cooled to 30°C, filter, measure the melting point, and take 167-175°C as qualified to obtain a chlorobenzene solution of 5-chlorosalicylic acid. If the chlorination reaction is carried out under the irradiation of a fluorescent lamp, the chlorine can reach the theoretical amount at 55-80°C. After sampling and testing, the remaining chlorine is removed, cooled, filtered, washed with chlorobenzene, and dried to obtain the finished product.

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