3-Methoxyphenol (m-Guaiacol) from China
m-Guaiacol (3-methoxyphenol) is an isomeric ether-phenol used in pharmaceutical synthesis and as a resin intermediate. Classified under HTS 2909.50.4500 per additional U.S. note 3 to section VI for chemically defined ether-phenols. Its meta-substitution pattern provides unique reactivity profiles.
Duty Rate — China → United States
43%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Differentiate from p-guaiacol via HPLC isomer separation data
• Provide vapor pressure data for proper hazard classification
• Confirm <1% o-guaiacol isomer content for specification compliance