2931.90.90.25/Tetrabutyltin/Mexico

Tetrabutyltin from Mexico

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 — Mexico → 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

• 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