Benzenesulfonic Acid from Canada
Benzenesulfonic acid is the simplest sulfonated aromatic hydrocarbon, produced by direct sulfonation of benzene. Falls squarely under HTS 2904.99.40.00 per additional U.S. note 3 to section VI for such derivatives. Used in dyestuff manufacturing and as a chemical intermediate.
Duty Rate — Canada → United States
15.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Ensure no added stabilizers render it specific-use per chapter note (g)
• Document as 'separate chemically defined compound' with assay results
• Avoid retail packing which could trigger chapter 32 or 38 exclusions