N-Chlorosuccinimide (NCS) from China
N-Chlorosuccinimide is a chemically defined cyclic imide derivative used as a chlorinating and oxidizing agent in organic synthesis. It falls under HTS 2925.19.70.00 as a specific imide compound listed in this subheading for carboxyimide-function compounds. Primarily employed in pharmaceutical and fine chemical manufacturing for selective chlorination reactions.
Duty Rate — China → United States
35%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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)
Import Tips
• Provide detailed chemical safety data sheets (MSDS) and ensure UN-approved packaging for hazardous oxidizers; verify purity certificates as impurities may affect classification; comply with TSCA registration for US chemical imports