2931.90.90.25/Tetrabutyltin for Polymerization Catalysis/Canada

Tetrabutyltin for Polymerization Catalysis from Canada

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 — Canada → 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

• 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

Tetrabutyltin for Polymerization Catalysis from Canada — Import Duty Rate | HTS 2931.90.90.25