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Molybdenum Trioxide Powder (MoO3) from Mexico

Pure molybdenum trioxide (MoO3) in fine powder form, used as a precursor in molybdenum metal production and catalyst manufacturing. It is classified under HTS 2825.70.00.00 as a chemically defined molybdenum oxide. This inorganic compound meets Chapter 28 definitions for metal oxides.

Duty Rate — Mexico → United States

13.2%

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

• Verify purity certificate to confirm 'chemically defined' status per Chapter 28 Note 1; ensure MSDS includes handling for toxic dust

• Common pitfall: mislabeling as ore (2603) instead of refined oxide