4,4'-Methylenedianiline (MDA) from Japan
4,4'-Methylenedianiline is a specific aromatic polyamine compound with the chemical formula C13H14N2, consisting of two aniline groups linked by a methylene bridge. It falls under HTS 2921.59.3000 as it is explicitly named in the tariff schedule within the subheading for other aromatic polyamines and their derivatives. This chemically defined organic compound is used primarily in industrial chemical synthesis.
Duty Rate — Japan → United States
Rate breakdown
Import Tips
• Obtain EPA TSCA certification as MDA is a regulated substance under the Toxic Substances Control Act; provide safety data sheets (SDS)
• Ensure proper hazardous material labeling and packaging compliant with DOT and IMDG regulations for transport
• Verify importer security filing (ISF) includes chemical name, CAS number (101-77-9), and purity specifications to avoid customs delays