Zinc Phosphide Powder from Canada
Chemically defined zinc phosphide (Zn3P2) used as rodenticide active ingredient or in semiconductors. Falls under HTS 2853.90.90 as other phosphides, inorganic compounds per heading scope excluding ferrophosphorous. Highly reactive with moisture, producing phosphine gas.
Duty Rate — Canada → United States
2.8%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Obtain EPA registration for pesticide use; include toxicity data in import docs
• Ship under UN 1710 hazmat regulations with inert atmosphere packaging
• Confirm purity via assay to distinguish from mixtures classifiable in 3824