3,3'-Dichlorobenzidine Dihydrochloride from Canada
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 — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Provide counterion analysis (HCl content) and mother liquor purity specs
• Strict DEA precursor monitoring if used in controlled substance synthesis paths