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%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Phase-transfer purity testing prevents mixture classification
• Declare catalytic end-use to avoid dual-use flags