Didecylmethylammonium Perfluorooctane Sulfonate Powder from Japan
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 — Japan → United States
16.2%
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
• 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