Clopyralid (3,6-dichloro-2-pyridinecarboxylic acid) from Mexico
Clopyralid is a picolinic acid herbicide, aromatic pyridinecarboxylic with chlorine, for perennial weed control in turf. Fits HTS 2918.99.2050 as other aromatic pesticide carboxylic acid with oxygen function. Chapter notes place esters/salts with the acid.
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
• Purity assay via HPLC required; impurities <5% for chapter eligibility
• Mark as 'pesticide technical material' to affirm classification