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%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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