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1-Naphthol-4-methoxy (4-Methoxy-1-naphthol) from Mexico

4-Methoxy-1-naphthol is a naphthol ether derivative used in dye manufacturing and as a pharmaceutical intermediate. This chemically defined ether-phenol is specifically included under HTS 2909.50.4500 per additional U.S. note 3 to section VI. Its fused ring structure with ether-phenol functionality defines its tariff classification.

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

Provide NMR spectrum and reference standard comparison for structural confirmation

Include safety data sheet (SDS) detailing flash point and handling precautions for phenol ethers

Verify no azo-coupling capability that might trigger classification under Chapter 32 dyes