Tetrabutyltin from Japan
Tetrabutyltin (C16H36Sn) is a tetraalkyl organotin compound classified under HTS 2931.90.90.25 as an organo-inorganic compound where tin is directly linked to carbon atoms. It is primarily used as a reagent in organic synthesis and polymerization catalyst production.
Duty Rate — Japan → United States
23.8%
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
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Classify strictly as organo-tin under 2931.90.90.25; avoid Chapter 28 inorganic tin salts
• Provide Safety Data Sheets (SDS) and comply with TSCA regulations for organotin imports
• Ship as UN2788 hazardous material with proper flammability labeling