Coumachlor (3-(α-acetonyl-4-hydroxycoumarin)) from Canada
Coumachlor is a 4-hydroxycoumarin derivative used as a rodenticide anticoagulant. It qualifies under HTS 2932.20.2500 due to its core 4-hydroxycoumarin lactone structure with aromatic heterocyclic oxygen atoms.
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
• Obtain EPA import alerts clearance for pesticide status; label with UN hazard codes
• Common pitfall: incorrect concentration declaration shifting to mixtures heading