Zinc Phosphide Rodent/Herbicide Granules from Mexico
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 — Mexico → United States
15%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
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