Imazapyr from Canada
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 — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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