Guaiacol from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
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