Toluene Sulfonic Acid (TSA) from Germany
Para-toluene sulfonic acid serves as both a catalyst and anionic surfactant in polymerization and cleaning applications. Its aromatic toluene ring with sulfonic acid modification fits HTS 3402.39.10.00 as it demonstrates surface-active properties in aqueous solutions. Supplied as white flakes or 65% solution for chemical synthesis.
Duty Rate — Germany → United States
14%
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
• Classify monohydrate vs anhydrous forms separately if purity differs
• Handle as corrosive solid/liquid; verify UN3170 proper shipping name
• Avoid Chapter 29 if surfactant test data confirms Chapter 34 applicability