Triethylammonium Perfluorooctane Sulfonate from Canada
Triethylammonium perfluorooctane sulfonate is an ionic liquid precursor from PFOS and triethylamine. It fits HTS 2904.35.00.00 for other PFOS salts as a chemically defined sulfonated perfluoro compound.
Duty Rate — Canada → United States
13.7%
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
• Classify based on parent acid (later numerical order); include comparative spectra
• Global phase-out tracking required; many countries ban new PFOS registrations
• Avoid anti-dusting agents unless for identification per note (g)