Tetrachloroisophthalonitrile (TPN) from Canada
TPN, the chemical name for chlorothalonil, is a broad-spectrum aromatic pesticide with multiple chlorine atoms bound to aromatic carbon, fitting HTS 2931.90.2600 criteria. Used in technical form for manufacturing fungicide formulations targeting foliar diseases.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Verify 98%+ purity with HPLC analysis to qualify as technical material, not formulation
• Comply with TSCA inventory listing and PMN if new chemical variant
• Package in UN-approved pesticide drums to meet DOT hazardous material transport rules