2931.90.90/Bis(cyclopentadienyl)zirconium Dichloride/Japan

Bis(cyclopentadienyl)zirconium Dichloride from Japan

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 — Japan → United States

3.7%

Rate breakdown

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
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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

Bis(cyclopentadienyl)zirconium Dichloride from Japan — Import Duty Rate | HTS 2931.90.90