Guaiacol from Mexico
Guaiacol is an aromatic ether (2-methoxyphenol) used primarily as an expectorant in cough syrups and as a flavoring agent. It falls under HTS 2909.30.40.00 as an aromatic ether described in additional U.S. note 3 to section VI, which includes specific chemically defined compounds in this category.
Duty Rate — Mexico → United States
15.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Verify purity certificate (typically 98%+) as impurities may affect classification under chapter 29 notes
• Include chemical analysis report to confirm aromatic ether structure per HTS hierarchy
• Avoid misclassification as phenol derivative; ensure CAS 90-05-1 documentation