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Benzonitrile Sulfonic Acid from Canada

Benzonitrile sulfonic acid is an aromatic nitrile with sulfonic acid substituent on benzene ring. It qualifies for HTS 2926.90.43.00 as an 'other' aromatic nitrile per additional U.S. note 3 to section VI, maintaining nitrile as principal function.

Duty Rate — Canada → United States

16.5%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

Test for sulfonated derivative status per chapter note to avoid Chapter 28 inorganic acid classification

Include wastewater treatment plan documentation for environmental compliance

Benzonitrile Sulfonic Acid from Canada — Import Duty Rate | HTS 2926.90.43.00