Pentafluorophenol from Canada
Pentafluorophenol has all five ring hydrogens replaced by fluorine atoms, creating a highly electrophilic phenol derivative. Falls under HTS 2908.19.60.00 as the ultimate 'only halogen' substituted phenol. Used in organofluorine coupling reactions and peptide synthesis.
Duty Rate — Canada → United States
5.5%
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
Import Tips
• Fluorinated compounds require specialized hazmat declarations due to HF generation potential
• High purity grades (>98%) common; verify assay certificates match technical specifications
• Research chemical imports may use 9810.00.6000 for duty-free scientific instrument exemption