Zinc Phosphide Powder from Canada
Zinc phosphide is a chemically defined inorganic phosphide compound used as a rodenticide and in pyrotechnics. Classified under HTS 2853.90.90.90 as a phosphide, excluding ferrophosphorous, due to its discrete chemical formula meeting Chapter 28/29 purity standards. It is imported in stabilized powder form for pest control applications.
Duty Rate — Canada → United States
2.8%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Comply with EPA pesticide registration and FIFRA labeling requirements
• Include safety data sheets for toxicity handling
• Watch for reclassification if diluted below chemical purity thresholds