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2921.59.80.90/4,4'-Methylenedianiline (MDA)/Mexico

4,4'-Methylenedianiline (MDA) from Mexico

4,4'-Methylenedianiline is a reactive aromatic diamine used in the production of high-performance polymers and as a curing agent. Classified under HTS 2921.59.80.90 as 'other' aromatic polyamines and derivatives. Its structure contains two aromatic amine groups connected by methylene bridge.

Duty Rate — Mexico → United States

16.5%

Rate breakdown

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

• MDA requires specific OSHA workplace exposure permits and handling certifications

• Declare exact purity (typically >97%) to maintain Chapter 29 compound classification

• Include CAS number (101-77-9) on all documentation for customs verification

4,4'-Methylenedianiline (MDA) from Mexico — Import Duty Rate | HTS 2921.59.80.90