Tetrabutylammonium Perfluorooctane Sulfonate from Canada
Tetrabutylammonium perfluorooctane sulfonate is a phase-transfer catalyst salt. Falls under HTS 2904.35.00.00 for other perfluorooctane sulfonic acid salts.
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
• Phase-transfer purity testing prevents mixture classification
• Declare catalytic end-use to avoid dual-use flags