Chloromethyl(cyclopentadienyl)iron(II) Dicarbonyl from Mexico
An iron organometallic complex featuring cyclopentadienyl ligand with direct iron-carbon bonds, used in organometallic synthesis. Classified under HTS 2931.90.30.00 as an aromatic organo-inorganic compound per additional U.S. note 3. The aromatic cyclopentadienyl system and metal-carbon sigma bonds define its chapter 29 status.
Duty Rate — Mexico → United States
16.5%
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
• Submit X-ray crystallographic data or spectroscopic evidence of aromatic metal complex structure
• Comply with hazardous material shipping requirements for air-sensitive organometallics
• Distinguish from Chapter 28 iron compounds by highlighting organometallic bonding in technical documentation