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3815.90.20.00/Ammonium Molybdate Catalyst/Canada

Ammonium Molybdate Catalyst from Canada

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 — Canada → United States

12.8%

Rate breakdown

9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
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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 Canada — Import Duty Rate | HTS 3815.90.20.00