2,3,5,6-Tetrachlorophenol from Canada
This symmetrical tetrachlorophenol isomer (2,3,5,6-) qualifies under HTS 2908.19.35.00 as a halogen-substituted phenol derivative per additional U.S. note 3. Primarily utilized in flame retardant chemical synthesis.
Duty Rate — Canada → United States
15.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide melting point (68°C) and HPLC chromatogram to verify isomer identity
• Classify as UN 2020 corrosive liquid; use compatible HDPE or glass containers
• Avoid bulk packaging over 450L that might trigger mixture classification