4-Methylguaiacol (Creosol) from Mexico

4-Methylguaiacol, also known as creosol (4-methyl-2-methoxyphenol), is a guaiacol derivative obtained from guaiacum resin or wood creosote, used in organic synthesis and as a disinfectant. It is specifically listed under HTS 2909.50.20.00 as a guaiacol derivative ether-phenol. Commonly imported for flavor and fragrance applications.

Duty Rate — Mexico → United States

15.5%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

Import Tips

Submit GC-MS analysis proving >95% purity as 4-methyl-2-methoxyphenol to distinguish from creosote mixtures

Avoid retail packaging that might trigger reclassification as consumer chemical preparation under Chapter 38

Declare CAS 93-51-6 explicitly; ensure no anti-dusting agents added beyond chapter note g allowances