Metsulfuron-methyl from China
Metsulfuron-methyl is a sulfonylurea herbicide for broadleaf weeds and grasses in cereals. This aromatic heterocyclic compound falls under HTS 2934.99.1500 due to its complex heterocyclic ring structure essential for herbicidal activity. Selective action makes it valuable for no-till farming.
Duty Rate — China → United States
19%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Provide HPLC analysis confirming metsulfuron-methyl purity and related substance limits
• Include soil persistence and groundwater advisory statements in technical documentation
• Declare as technical grade material (not wettable powder) to avoid Chapter 38 classification