2909.50.45.00/4-Methoxyphenol (Mequinol)/Mexico

4-Methoxyphenol (Mequinol) from Mexico

4-Methoxyphenol, also known as mequinol, is an ether-phenol used in dermatological treatments for hyperpigmentation and as a polymerization inhibitor. Classified under HTS 2909.50.4500 per additional U.S. note 3 to section VI as a chemically defined ether-phenol derivative. Its phenolic ether structure fits the chapter's specific organic compound criteria.

Duty Rate — Mexico → United States

15.5%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

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Import Tips

• Provide HPLC purity certificate (>98%) and CAS (150-76-5) documentation for proper HTS verification

• Include end-use statement specifying pharmaceutical or polymer applications to prevent misclassification

• Comply with TSCA notification for new chemical import if exceeding annual thresholds