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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

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

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