Fenamiphos (Ethyl 4-(methylthio)-m-tolyl isopropylphosphoramidate) from Canada
Nematicide Fenamiphos containing phosphoramidate-thioate structure classifiable as HTS 2920.19.5000 'other' thiophosphoric esters. Chemically defined per Chapter 29 note (a).
Duty Rate — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Groundwater leaching studies mandatory for nematicide clearance
• Isopropyl purity verification prevents reclassification
• Phase-out documentation if subject to international treaties