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
43.7%
Rate breakdown
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)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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