p-Aminophenol Sulfate from Mexico
p-Aminophenol sulfate is the sulfuric acid salt of 4-aminophenol, an oxygen-function amino-compound under heading 2922, with salts classified with the parent compound. Primarily used in photographic developers and hair dye intermediates. Subject to additional U.S. note 3, hence 2922.29.61.00.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6093.5%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
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Submit assay reports confirming >98% purity to qualify as chemically defined compound, not a mixture
• Comply with REACH-like US chemical import notifications and include stabilizer declarations if present
• Watch for confusion with sulfonated derivatives, which may fall under different organo-sulfur headings