2921.59.40.00/4,4'-Methylenedianiline (MDA)/Mexico

4,4'-Methylenedianiline (MDA) from Mexico

4,4'-Methylenedianiline is a diphenylmethane-based aromatic polyamine used in polyurethane production and epoxy curing agents. Classified under HTS 2921.59.4000 due to its status as a derivative of aromatic polyamines specified in additional U.S. note 3 to section VI.

Duty Rate — Mexico → United States

16.5%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

Calculate with your customs value Verify classification with AI

Import Tips

• Comply with TSCA regulations and provide safety data sheets due to MDA's carcinogenic classification

• Confirm quota eligibility under note 3; excess imports may face higher rates or denial

• Label shipments with exact chemical name and CAS (101-77-9) to prevent reclassification as a polymer precursor