p-Phenylenediamine Dihydrochloride from China
p-Phenylenediamine dihydrochloride is a water-soluble salt form used in analytical chemistry and dye synthesis. Under HTS 2921.51.5000 as an 'other' salt thereof, per Chapter 29 classification rules for organic salts following the parent amine heading.
Duty Rate — China → United States
44%
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
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
• Lab grade requires CoA showing >98% purity; technical grade risks mixture classification
• Avoid retail packaging to prevent shift to Chapter 33 consumer goods
• Check for EU REACH compliance docs transferable to US TSCA