4-Nitroguaicol Sodium from China
4-Nitroguaicol sodium salt is a nitro-derivative of guaiacol used in dye intermediates and pharmaceuticals, classified under HTS 2922.50.19.00 as it retains guaiacol's aromatic oxygen-amino structure. Nitro groups are included per chapter notes for such derivatives.
Duty Rate — China → United States
19%
Rate breakdown
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
Import Tips
• Classify salt with organic base per chapter note (C)(1), providing pH and counterion data
• Handle as oxidizer (UN 1479) with proper placarding on shipping papers
• Monitor for azo dye precursor restrictions under EPA TSCA