Potassium Arsenite Brush Killer from Canada
Liquid concentrate of potassium arsenite (KA3AsO3), a highly toxic inorganic arsenical herbicide for killing brush and invasive shrubs. Diluted for retail sprayer use by landowners, it is covered by HTS 3808.93.20.00 as a herbicide containing inorganic substance. Arsenic ions poison plant enzyme systems.
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
• Obtain special EPA import permits due to arsenic toxicity and FIFRA restricted use classification
• Include toxicology data and antidotes information in documentation for hazmat compliance
• Strictly limit to certified applicator labeling to prevent retail consumer sale violations