Dimethylmercury from China

Dimethylmercury is an extremely toxic volatile organomercury compound used in spectroscopy standards. HTS 2852.90.90.00 covers this defined organic mercury compound.

Duty Rate — China → United States

40.5%

Rate breakdown

9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)

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

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Import Tips

• Extremely rare imports; requires special CDC/NIH approval

• UN 2028 liquid toxic; inert atmosphere shipping

• Often prohibited; verify current regulatory status