N-Bromosuccinimide (NBS) from China
N-Bromosuccinimide is a brominated derivative of succinimide used as a brominating and oxidizing agent in organic synthesis. It qualifies under HTS 2925.19.91.00 as an imide derivative (not halogenated in the sense excluding it from heading per chapter notes). Essential for allylic bromination in pharmaceutical production.
Duty Rate — China → United States
28.7%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Classify as UN 3261, Corrosive Solid, pH 3-4; test samples to confirm proper DOT shipping name
• Avoid bulk packaging >25kg; retail laboratory packs (<1kg) reduce scrutiny but verify end-use declaration