3815.90.20.00/Molybdenum Trioxide Catalyst/Japan

Molybdenum Trioxide Catalyst from Japan

Pure molybdenum trioxide (MoO3) used as a catalyst in petroleum refining processes like hydrodesulfurization. This inorganic compound falls under HTS 3815.90.2000 because it consists wholly of inorganic substances, specifically molybdenum, and serves as a reaction accelerator not specified elsewhere.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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Import Tips

• Verify purity and composition via lab analysis to confirm 100% inorganic molybdenum content for this subheading

• Include safety data sheets (SDS) documenting non-toxicity and catalytic use to avoid hazardous material surcharges