2921.59.40.00/4,4'-Diamino-3,3'-dimethylbiphenyl/Mexico

4,4'-Diamino-3,3'-dimethylbiphenyl from Mexico

This biphenyl-based aromatic polyamine functions as an intermediate for high-performance polymers and dyes. HTS 2921.59.4000 applies as it is described among products in additional U.S. note 3 to section VI.

Duty Rate — Mexico → United States

16.5%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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Import Tips

• Use HPLC chromatograms to demonstrate single compound status

• Confirm no metal coordination that would invoke special salt classification rules

• Separate from diaminodiphenylmethane shipments due to structural differences

4,4'-Diamino-3,3'-dimethylbiphenyl from Mexico — Import Duty Rate | HTS 2921.59.40.00