Technical Tolyltriazole 99% Powder from Mexico
High-purity tolyltriazole powder (99%, CAS 29385-43-1) used in water treatment as copper corrosion inhibitor. This aromatic triazole derivative meets Chapter 29 note requirements for chemically defined organic compounds. Specifically enumerated under HTS 2933.99.82.20.
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
• Include HPLC analysis certificate verifying tolyltriazole content and isomer purity per chapter note (b)
• Label shipments clearly as 'Tolyltriazole CAS 29385-43-1' to prevent CBP misclassification
• EPA import notification required; ensure Pre-Registration for new chemical import review