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4-Amino-N-phenylaniline (PAD) from Canada

4-Amino-N-phenylaniline, also known as PAD, is a derivative of p-phenylenediamine used in dye manufacturing and polymer production. It qualifies under HTS 2921.51.5000 as an 'other' aromatic polyamine derivative, being a chemically defined compound in this heading.

Duty Rate — Canada → United States

16.5%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

Submit structural formula or IUPAC name in entry summary to confirm aromatic polyamine status

Segregate from other amines during storage/shipping to prevent cross-contamination affecting purity claims

Monitor REACH-like US regs for persistent/bioaccumulative substances