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

Ammonium Molybdate Catalyst from Mexico

Ammonium heptamolybdate ((NH4)6Mo7O24) used as a selective oxidation catalyst in acrylic acid production. Falls under HTS 3815.90.2000 as a wholly inorganic molybdenum-based catalytic preparation.

Duty Rate — Mexico → United States

12.8%

Rate breakdown

9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter

Import Tips

Test for ammonia content stability; decomposition could shift classification away from 'wholly inorganic'

Include end-use statement from buyer confirming catalytic application to support tariff positioning

Ammonium Molybdate Catalyst from Mexico — Import Duty Rate | HTS 3815.90.20.00