4,4'-Methylenedianiline (MDA) from United States
4,4'-Methylenedianiline (MDA) is a chemically defined aromatic polyamine with the formula C13H14N2, consisting of two aniline groups linked by a methylene bridge. It is used in epoxy resin curing and polyimide synthesis. As an aromatic polyamine, it falls under tariff item 2921.59.00.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the product is a separate chemically defined compound
• Have the CAS number and purity certificate available for customs
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