TEAPFOS Industrial Wetting Agent from Canada
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 — Canada → United States
16.2%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
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