4,4'-Diamino-3,3'-dichlorodiphenylmethane from Canada
This chlorinated aromatic polyamine derivative serves as a curing agent in specialty polymers. HTS 2921.59.80 covers it as an 'other' derivative, as halogenated polyamine structures are included under amine-function headings per Chapter 29 note on halogenated derivatives.
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
• Include halogen content analysis; CBP may test for chlorine substitution confirmation
• Ensure EPA TSCA inventory listing; provide PMN if new chemical variant
• Package per UN hazmat standards (toxic solid); improper packing common rejection cause