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ChemicalBook CAS DataBase List 4-Chloro-3-nitrobenzenesulfonic acid
121-18-6

4-Chloro-3-nitrobenzenesulfonic acid synthesis

8synthesis methods
It is derived from the nitration of p-chlorobenzenesulfonic acid. Add p-chlorobenzenesulfonic acid and 98% sulfuric acid into the reaction pot, cool to 20°C, add 67% nitric acid solution under stirring, react at 40°C for half an hour, salt out, filter, acidify, and filter to obtain the finished product. 4-Chloro-3-nitrobenzenesulfonic acid was synthesized by
-

Yield: 86%

Reaction Conditions:

with water in ethanol for 1 h;Reflux;

References:

Pueskuellue, M. Orhan;Yildiz, Sulhiye;Goeker, Hakan [Archiv der Pharmazie,2010,vol. 343,# 1,p. 31 - 39] Location in patent:experimental part

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