Thiourea Dioxide Pesticide Synergist from Canada
Thiourea dioxide serves as a pesticide synergist enhancing insecticidal activity of pyrethroids by inhibiting detoxification enzymes. Classified under HTS 2930.90.30.00 as a thiuram-related pesticide adjuvant. Used in combination formulations for crop protection.
Duty Rate — Canada → United States
13.7%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Synergist classification requires co-formulation data with primary insecticide
• Oxidative stability testing mandatory for powder formulations
• List on EPA Inert Ingredients List for pesticide use exemption