Didecylmethylammonium Perfluorooctane Sulfonate Powder from Germany
A quaternary ammonium salt combining didecylmethylammonium cation with perfluorooctane sulfonate anion, supplied as a fine white powder. Classified under HTS 2923.40.00.00 as it is a specific chemically defined quaternary ammonium salt per Chapter 29 note (a). Used primarily in specialty chemical applications for its surfactant properties.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide detailed chemical analysis certificates confirming the exact composition as didecylmethylammonium perfluorooctane sulfonate to match HTS 2923.40.00.00
• Declare any stabilizers or impurities per Chapter 29 notes (f)-(g); exceeding general use criteria may shift classification
• Comply with EPA PFAS regulations; include TSCA certification to avoid import holds on perfluorooctane sulfonate compounds