3808.93.20.00/Copper Sulfate Pentahydrate Herbicide/Canada

Copper Sulfate Pentahydrate Herbicide from Canada

A blue crystalline powder containing copper sulfate (CuSO4·5H2O), an inorganic compound used as a herbicide to control aquatic weeds and algae in ponds and irrigation canals. It is put up in retail packs for gardeners and farmers, falling under HTS 3808.93.20.00 because it is a herbicide preparation containing an inorganic substance. The product disrupts photosynthesis in target plants through copper ion release.

Duty Rate — Canada → United States

15%

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

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Import Tips

• Verify EPA registration and provide Safety Data Sheets (SDS) for inorganic active ingredients during customs clearance

• Ensure packaging meets retail sale requirements (under 5kg) to avoid reclassification as bulk chemical under 2828

• Label clearly with concentration of copper sulfate and hazard warnings to comply with FIFRA and TSCA regulations