</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Molybdenum Phosphomolybdate Catalyst Mixture from China

A chemical preparation blending phosphomolybdic acid with other inorganic salts for use as a catalyst in industrial oxidation processes. The molybdenum content enhances catalytic activity. Falls under HTS 3824.99.34.00 for mixtures of inorganic compounds of molybdenum.

Duty Rate — China → United States

40.3%

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

Import Tips

Provide detailed chemical analysis reports proving dual inorganic composition to avoid misclassification as single compounds

Check for REACH-like compliance if transshipping from EU; molybdenum compounds may require notifications