3,5-Dichlorosalicylic acid

Melting point 221-224 °C

Solubility in methanol (almost transparency).

CAS Database 320-72-9 (CAS DataBase Reference)

NIST Chemical Information Benzoic acid, 3,5-dichloro-2-hydroxy-(320-72-9)

EPA Chemical Information Benzoic acid, 3,5-dichloro-2-hydroxy-(320-72-9)

 

3,5-Dichlorosalicylic acid Use and synthesis method

Chemical properties Needle crystals. The temperature of 220-221 ° C. sublimation. Soluble in ether and ethanol.

Use It is used as an intermediate in the veterinary drug Hepatica.

Use as medicine, dye intermediate

Production method is obtained by chlorination of salicylic acid. The salicylic acid was dissolved in glacial acetic acid, the temperature was controlled at 8-20 ° C, and the chlorine was stirred for about 8 h. After the completion of chlorine, the reaction was continued for 1 h. Cold to 8-10 ° C, filtered, pickled, washed, dried to obtain the finished product.

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