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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%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

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