Didecylmethylammonium Perfluorooctane Sulfonate Powder from China
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 — China → United States
41.2%
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
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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