Bis(cyclopentadienyl)zirconium Dichloride from Germany
Zirconocene dichloride (Cp2ZrCl2) is a metallocene polymerization catalyst with Zr-C bonds, classified 2931.90.90 as other organo-inorganic compounds. Chapter note III(A) confirms classification with organic component in latest numerical heading.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Air/moisture-sensitive; requires Schlenk flask packaging with desiccant documentation
• Commonly misclassified as 2827 zirconium chlorides—insist on metallocene organometallic status
• Olefin catalyst end-use letter supports correct 2931 classification