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
100%
Rate breakdown
9903.04.6094.5%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
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