Dinonylnaphthalenesulfonic Acid from Germany
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 — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
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