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2931.90.90/Cyclopentadienyl Iron Dicarbonyl Dimer/Mexico

Cyclopentadienyl Iron Dicarbonyl Dimer from Mexico

This ferrocene derivative [(CpFe(CO)2)2] features iron-carbon bonds in cyclopentadienyl rings, qualifying as organo-inorganic under 2931.90.90. Used in specialty polymer catalysis; chapter note III(C) prioritizes latest numerical heading.

Duty Rate — Mexico → United States

13.7%

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
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Import Tips

• Air-sensitive solid requires inert atmosphere packaging documentation

• Research chemical—may qualify GRI 10 scientific goods duty exemption

• Distinguish from pure metal carbonyls (Ch28) by organic Cp ligand content

Cyclopentadienyl Iron Dicarbonyl Dimer from Mexico — Import Duty Rate | HTS 2931.90.90