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Molybdic Acid (Molybdenum Hydroxide) from Mexico

Molybdic acid or hydrated molybdenum trioxide (H2MoO4), used in ceramics and as a catalyst precursor. Falls under HTS 2825.70.00.00 as molybdenum hydroxides per the heading. Chemically defined per Chapter 28 notes.

Duty Rate — Mexico → United States

13.2%

Rate breakdown

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

Import Tips

Label as 'hydroxide' with hydration level; test for stability as it dehydrates to oxide

Avoid bulk shipments without anti-caking agents