3824.99.21.00/Pyrene Concentrate for Research/Mexico

Pyrene Concentrate for Research from Mexico

Pyrene, a polycyclic aromatic hydrocarbon isolated from coal tar, supplied as concentrate for organic electronics and research. Wholly coal tar natural substance per HTS 3824.99.21.00.

Duty Rate — Mexico → United States

10%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

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Import Tips

• Lab-grade purity certificates essential

• Carcinogen handling protocols required