Tetrabutyltin for Polymerization Catalysis from Germany
Technical grade Tetrabutyltin specifically for olefin polymerization catalysis, classified HTS 2931.90.90.25. Meets Chapter 29 criteria for organo-inorganic tin compounds despite end-use labeling.
Duty Rate — Germany → United States
21.3%
Rate breakdown
9903.04.6211.3%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
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
• End-use statements don't change chemical classification; remains 2931
• Provide import documentation separating from PVC stabilizer uses
• Monitor REACH Annex XVII restrictions on organotin supply chain