Temephos Technical Grade from Canada
Larvicide Temephos used in mosquito control programs, a tetra-thiophosphoric ester. Classified HTS 2920.19.5000 as 'other' phosphorodithioates meeting Chapter 29 purity standards.
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
• WHO pesticide evaluation scheme (WHOPES) documentation advantageous
• Low mammalian toxicity but high environmental persistence
• Sandwich formulation data if combined with other actives