Benzotriazole from Mexico
Benzotriazole is a fused heterocyclic aromatic compound used as a corrosion inhibitor in antifreeze and metalworking fluids. Classified in HTS 2942.00.35.00 as other aromatic organic compounds, its triazole ring fused to benzene qualifies under chapter residual provisions. Not covered by specific heterocycle headings 2933-2934.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6093.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Supply X-ray crystallography data confirming benzotriazole structure
• Distinguish from pesticide uses (Chapter 38); industrial chemical applications only
• Verify solvent content per Chapter 29 note (e); transport solutions allowed if safety-related