Zinc Phosphide Rodent/Herbicide Granules from Canada
Zinc phosphide (Zn3P2) granules for gopher control with secondary weed desiccation effect, in retail bait stations. Inorganic substance qualifies under HTS 3808.93.20.00 for herbicide use. Phosphine gas released kills on ingestion.
Duty Rate — Canada → United States
15%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Requires APHIS permit and fumigation certificates due to phosphine hazard
• Bittering agents mandatory in formulation per EPA child safety rules
• Temperature-controlled shipping (<30°C) prevents spontaneous phosphine generation