Thiourea Dioxide Pesticide Synergist from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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