1-Naphthol-4-methoxy (4-Methoxy-1-naphthol) from China
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 — China → United States
137.5%
Rate breakdown
9903.04.6094.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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