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2931.90.90.29/Tetra-n-propylthiuram Disulfide/Mexico

Tetra-n-propylthiuram Disulfide from Mexico

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 — Mexico → United States

13.7%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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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 Mexico — Import Duty Rate | HTS 2931.90.90.29