Montosirot from China
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 — China → United States
18%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 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