Imazapyr from Mexico
Imazapyr is an imidazolinone herbicide for non-selective weed control in industrial sites. Its bicyclic heterocyclic structure qualifies classification under HTS 2934.99.1500 as an aromatic herbicide. Used for aquatic weed control and right-of-way vegetation management.
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 aquatic toxicity data and labeling requirements for water use applications
• Provide batch certificates showing imazapyr acid or isopropylamine salt purity
• Declare specific gravity and pH for proper hazard classification during transport