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o-Phenylenediamine from Mexico

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 — Mexico → United States

16.5%

Rate breakdown

9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter

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