4,4'-Diamino-3,3'-dichlorodiphenylmethane from China
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 — China → United States
44%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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