p-Phenylenediamine Sulfate from China

p-Phenylenediamine sulfate is a salt derivative used primarily in oxidative hair dyes and rubber antioxidants. Classified under HTS 2921.51.30.00 as it matches products in additional U.S. note 3, specifically salts of p-phenylenediamine.

Duty Rate — China → United States

41.5%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 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

Confirm listing in U.S. note 3 with exact CAS (624-57-7) and batch purity documentation

Label as skin sensitizer; comply with TSCA pre-notice if new use

Avoid bulk packaging that could trigger mixture classification under chapter exclusions