Difenacoum Rodenticide Active Ingredient from Canada
Difenacoum, another potent 4-hydroxycoumarin derivative, functions as a long-acting anticoagulant pesticide for rodent control. This aromatic lactone pesticide receives HTS 2932.20.1000 classification based on its heterocyclic structure and designated end-use. Chapter 29 applies to chemically defined pesticide compounds.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Use UN-approved pesticide packaging; inner packagings ≤500g for solids, ≤5L for liquids
• Provide certificate of analysis confirming >95% purity for technical material classification
• Include antidotes information (Vitamin K1) in shipping documents for emergency response