4-Methoxyphenol (Methylcatechol) from Mexico
4-Methoxyphenol, also known as methylcatechol, is an ether-phenol used as a polymerization inhibitor in acrylic resins and UV stabilizers. This chemically defined compound matches the ether-phenol criteria of heading 2909. It is typically imported as a white crystalline powder with anti-caking agents for handling.
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
• Include NMR or GC-MS spectra verifying ether-phenol structure to distinguish from phenolic alcohols in heading 2907
• Label packages with stabilizer composition per Chapter Note 6(f); undisclosed additives may cause classification to mixtures in 3824