4,4'-Diamino-3,3'-dichlorodiphenylmethane from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, 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