4-Mercaptophenol from Germany
4-Mercaptophenol is an aromatic organo-thiol used in polymer synthesis and as a corrosion inhibitor. HTS 2930.90.92.51 as other organo-sulfur compound combining phenolic and thiol functions. Off-white solid with dual reactivity.
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
• Melting point (32°C) testing confirms purity grade
• Oxidation-sensitive; nitrogen blanket packaging required
• Dual phenolic/thiol classification requires sulfur-dominant documentation