99% Pure N-Chlorosuccinimide Powder from China
High-purity N-chlorosuccinimide in powdered form for laboratory and industrial synthesis, containing minor impurities but remains chemically defined. Specifically listed under HTS 2925.19.70.00 as an imide derivative not excluded by chapter notes on impurities. Common in alpha-chlorination of pharmaceuticals and natural product synthesis.
Duty Rate — China → United States
37.5%
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)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Include certificate of analysis showing <1% impurities to maintain chapter 29 classification; label as UN2078 oxidizing solid; pre-register under TSCA if new to US market