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2921.59.80/3,3'-Dichlorobenzidine Dihydrochloride/Mexico

3,3'-Dichlorobenzidine Dihydrochloride from Mexico

3,3'-Dichlorobenzidine dihydrochloride is a double-salt derivative of a di-chlorinated aromatic polyamine, used in azo pigment synthesis. HTS 2921.59.80 applies as the organic polyamine component determines classification per Chapter 29 salt rules, with halogenation explicitly included.

Duty Rate — Mexico → United States

16.5%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Provide counterion analysis (HCl content) and mother liquor purity specs

• Strict DEA precursor monitoring if used in controlled substance synthesis paths