Montosirot from Mexico
Montosirot (isoprothiolane) features aromatic ether-sulfide structure as rice sheath blight fungicide/pesticide. HTS 2909.30.30.00 applies to this technically defined pesticide compound. Imported for Asian crop protection markets.
Duty Rate — Mexico → United States
15.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Fungicide/pesticide dual classification requires both EPA reviews; residue data for rice imports critical
• Use nitrogen blanketing to prevent oxidation
• Pitfall: MRL differences between origin and US cause rejections