4-Fluorophenol from Mexico
4-Fluorophenol contains a single fluorine substituent para to the hydroxyl group, the simplest monohalogenated phenol. HTS 2908.19.60.00 classification applies as 'other' halogenated phenol derivative. Pharmaceutical intermediate and fluorinated building block.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6094.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Single substitution easiest to verify; HPLC purity reports standard documentation
• Pharma API intermediates qualify for duty reduction under pharmaceutical appendix
• Distinguish from chlorofluorophenols; positional fluorine specificity critical