Dinonylnaphthalenesulfonic Acid from Canada
Dinonylnaphthalenesulfonic acid (DNNSA) is a branched alkyl naphthalene sulfonate used in oil additives and extractants. Falls under HTS 2904.99.47.00 as an aromatic sulfonated hydrocarbon derivative.
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
• Specify branching and carbon number (C9) in SDS to distinguish from linear alkylbenzene sulfonates
• TSCA reporting required if used in metal extraction processes
• Low volatility (BP >300°C) allows standard chemical packaging without special refrigeration