Cyclohexyl Isocyanate from China
Cyclohexyl isocyanate (CAS 3173-53-3) is a cycloaliphatic isocyanate (C6H11NCO) serving as a building block for specialty polyurethanes, agrochemicals, and pharmaceutical synthesis. Classified under HTS 2929.10.2700 as one of the specifically enumerated isocyanates with nitrogen function, meeting Chapter 29's criteria for separate chemically defined organic compounds.
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
• 1
• Label with GHS pictograms for respiratory sensitization (Isocyanate hazard); 2
• Include REACH/ TSCA registration numbers if applicable; 3
• Verify purity >98% to avoid mixture classification issues