p-Phenylenediamine Sulfate from Mexico
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 — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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