Sodium Metaborate Sprout Suppressant from Canada
Powdered sodium metaborate (NaBO2) applied to potato storage to prevent sprouting, acting as an anti-sprouting plant-growth regulator. Retail packs for small-scale farmers fit HTS 3808.93.20.00 as it contains an inorganic substance for such use. Boron inhibits cell division in sprout buds.
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
• Provide residue tolerance data for FDA food contact compliance in post-harvest applications
• Ensure dustless formulation to meet OSHA inhalation standards during import inspection
• Label with exact application rates (grams per ton) for agricultural verification