4,4'-Diamino-3,3'-dichlorodiphenylmethane from Mexico
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 — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
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