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ChemicalBook CAS DataBase List 4-Amino-2,5-dichlorobenzenesulfonic acid
88-50-6

4-Amino-2,5-dichlorobenzenesulfonic acid synthesis

1synthesis methods
4-Amino-2,5-dichlorobenzenesulfonic acid is obtained by sulfonating 2,5-dichloroaniline with 65 % oleum in anhydrous sulfuric acid; the compound is purified via the sodium salt.
-

Yield:-

Reaction Conditions:

with sulfuric acid at 170 - 180;

References:

Noelting;Kopp [Chemische Berichte,1905,vol. 38,p. 3515]

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