Tetrabutyltin from Canada
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 — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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