o-Diquat Dibromide USP/Pharmaceutical Grade from Japan
High-purity o-diquat dibromide meeting USP standards for pharmaceutical research applications. Classified under HTS 2933.99.1600 as the specific heterocyclic pesticide compound despite research use claims. Used in toxicology studies and herbicide efficacy research.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Provide Certificate of Analysis (CoA) showing >99% purity and USP compliance to distinguish from technical grade
• End-use statement clarifying research purposes may be required to avoid FIFRA pesticide restrictions
• Segregate from formulated products during storage to prevent cross-contamination classification issues