4-Methylthiophenol from Mexico
4-Methylthiophenol (p-tolyl mercaptan, CH3C6H4SH) is a substituted aromatic thiol with methyl group ortho/para to thiol functionality. Imports as HTS 2930.90.2900 'Other' aromatic organo-sulfur. Key intermediate for pesticides, pharmaceuticals, and antioxidants.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Isomeric purity specification required; ortho/meta/para mixtures may complicate classification
• Strong odor; requires specific odorant warnings and secondary containment packaging
• Distinguish from sulfonic acid derivatives in 2904.xx