Warfarin Technical Grade Pesticide from Canada
Warfarin, a 4-hydroxycoumarin anticoagulant, serves as the active ingredient in rodenticides targeting warfarin-sensitive rodent populations. This aromatic heterocyclic lactone pesticide falls under HTS 2932.20.1000 due to its chemical structure and designated pesticide use. Chapter 29 classification applies as it's a separate chemically defined compound.
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
• Provide EPA pesticide product registration number and establishment number on commercial invoice
• Classify as hazardous material (UN 3024) requiring proper DOT/IMDG shipping papers
• Verify purity levels; technical grade >95% pure remains in Chapter 29, formulations move to Chapter 38