1-Naphthol-4-methoxy (4-Methoxy-1-naphthol) from Japan
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 — Japan → United States
22%
Rate breakdown
9903.04.629.5%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
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