Process for the production of 4-nitrotoluene-2- sulfonic acid

Details Process for the production of 4-nitrotoluene-2- sulfonic acid Process for the production of 4-nitrotoluene-2- sulfonic acid

C - Chemistry, Metallurgy

07

C

260/503

C07C 303/06 (2006.01) C07C 309/40 (2006.01) C11D 3/42 (2006.01)

Patent

CA 1230608

Process for the production of 4-nitrotoluene-2-sulfonic acid Abstract of the Disclosure A process for the preparation of 4-nitrotoluene-2-sulfonic acid by sulfonating 4-nitrotoluene with oleum is described. The sulfonation is carried out continuously with 50-85 % oleum, while keeping the conversion of 4-nitrotoluene in the reaction mixture at ?90 % during the entire reaction course.

468598

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