Pentachlorothiophenol from Canada
Pentachlorothiophenol (C6Cl5-SH) is a highly chlorinated aromatic thiol used as a synthetic intermediate for fungicides, lubricants, and rubber chemicals. Classified under HTS 2930.90.26.00 as named organo-sulfur compound with thiol group directly bound to aromatic carbon. Exclusively fits chapter 29 for pure chemical compounds.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Strict EPA TSCA notification required due to persistent organic pollutant concerns; provide 28-day premanufacture notice
• Use DOT Hazard Class 8 packaging for corrosive thiols
• Assay certificates must show >98% purity to maintain chapter 29 status