TEAPFOS Industrial Wetting Agent from China
Tetraethylammonium perfluorooctane sulfonate (TEAPFOS) supplied as a high-purity powder for use as a wetting agent in high-performance coatings. Classified under HTS 2923.30.00.00 due to its exact chemical definition as a quaternary ammonium salt matching the subheading specification.
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
• Label containers with exact chemical name and CAS number (often 56773-42-3) for CBP verification
• Comply with TSCA import certification requirements for new chemical substances
• Test for PFAS content declarations due to emerging environmental regulations