o-Phenylenediamine Dihydrochloride from China
o-Phenylenediamine dihydrochloride is the salt form of o-phenylenediamine, a key aromatic polyamine used in dye and pharmaceutical synthesis. It falls under HTS 2921.51.30.00 as a derivative salt of o-phenylenediamine described in additional U.S. note 3 to section VI, which covers specific listed organic compounds.
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
• Verify the product matches exactly the chemical description in additional U.S. note 3 to section VI for proper classification
• Provide detailed chemical analysis certificates (CAS number 615-28-1) and purity specs to avoid reclassification
• Ensure SDS and transport docs note it's a hazardous substance under DOT regulations