Benzenesulfonic Acid from Canada
Benzenesulfonic acid is the simplest aromatic sulfonic acid obtained by sulfonation of benzene, containing only sulfo groups. It falls under HTS 2904.10.37.00 as an other aromatic sulfonated hydrocarbon derivative. Used in manufacturing detergents, dyes, and pharmaceuticals.
Duty Rate — Canada → United States
15.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Confirm 99%+ purity; impurities may require classification as mixtures under 3824
• Label clearly as 'corrosive' per DOT regulations; affects transportation and customs documentation
• Distinguish from naphthalene sulfonic acids which classify under different subheading