Cyclohexyl Isocyanate from Mexico
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 — Mexico → United States
10%
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
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