Clopyralid from Mexico
Clopyralid is a picolinic acid herbicide selective for broadleaf weeds in turf and cereals. Its pyridine carboxylic acid structure qualifies as aromatic heterocyclic under HTS 2934.99.1500. Known for excellent crop selectivity and residual soil activity.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Declare as clopyralid technical (free acid) versus alkanolamine salts
• Include crop rotation restriction data (up to 18 months for sensitive crops)
• Verify packaging integrity to prevent pesticide residue contamination