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o-Diquat Dibromide USP/Pharmaceutical Grade from China

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 — China → United States

12.5%

Rate breakdown

9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

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