Phenol-4-Sulfonic Acid from Germany
4-Hydroxybenzenesulfonic acid is the direct sulfonated phenol containing only sulfo groups, used in dye and pharmaceutical intermediates. Precisely fits HTS 2908.99.1500 definition.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• pH <1 in 1% solution certification; light protection required
• Avoid 'sulfanilic acid' misnomer causing aniline derivative confusion under heading 2921