o-Phenylenediamine from China

o-Phenylenediamine is an aromatic diamine (C6H4(NH2)2) used primarily as an intermediate in the synthesis of dyes, pharmaceuticals, and agrochemicals. It falls under HTS 2921.51.10.00 as a specifically named o-phenylenediamine, which is an aromatic polyamine listed in the subheading for o-, m-, p-phenylenediamines and diaminotoluenes.

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

Provide Certificate of Analysis (CoA) confirming chemical identity and purity as these are specifically named compounds

Ensure proper Hazard Communication labeling per GHS for toxic aromatic amines during import

Verify REACH/TSCA registration status to avoid customs holds on controlled chemical substances

o-Phenylenediamine from China — Import Duty Rate | HTS 2921.51.10.00