2931.90.90.29/Tetra-n-propylthiuram Disulfide/Canada

Tetra-n-propylthiuram Disulfide from Canada

Although primarily organo-sulfur, this thiuram accelerator contains tin impurities making it organo-inorganic under 2931 when tin-carbon bonds present. Falls under HTS 2931.90.90.29 as other organo-tin compounds.

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
Calculate with your customs valueVerify classification with AI

Import Tips

• Provide elemental analysis showing tin content >1% for 2931 classification justification

• Comply with OSHA 1910.1000 Table Z-1-A exposure limits for thiuram dust

• Avoid Chapter 38 if purity >95%; mixtures go to 3812.10 for rubber accelerators

Tetra-n-propylthiuram Disulfide from Canada — Import Duty Rate | HTS 2931.90.90.29