Tetrabutylammonium Perfluorooctane Sulfonate from Germany
Tetrabutylammonium perfluorooctane sulfonate is a phase-transfer catalyst salt. Falls under HTS 2904.35.00.00 for other perfluorooctane sulfonic acid salts.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, 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