p-Phenylenediamine Sulfate from Japan
p-Phenylenediamine sulfate is the salt form used in oxidative hair dyes and rubber accelerator production. HTS 2921.59.80.90 classification follows Chapter 29 salt rule placing it with parent aromatic polyamine. Para positioning provides specific reactivity profile.
Duty Rate — Japan → United States
21%
Rate breakdown
9903.04.628.5%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
• Cosmetic-grade material requires FDA compliance verification and impurity limits
• Include sulfate content analysis to confirm exact amine equivalent weight
• Allergen warning labeling mandatory for consumer product applications