3815.90.20.00/Mercury Oxide Reaction Initiator/Japan

Mercury Oxide Reaction Initiator from Japan

Red mercuric oxide (HgO) prepared for use as a catalyst in laboratory-scale organic reactions and dehydrogenation processes. This inorganic mercury compound is specifically classified under HTS 3815.90.2000.

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%

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Import Tips

• Comply with DOT hazardous material regulations for mercury compounds; use proper UN packaging

• Maintain batch certificates proving catalytic purity over 99% to avoid reagent chemical classification