4,4'-Methylene bis(2,6-Diethylaniline) from Japan
This diarylamine compound featuring a methylene bridge between two substituted aniline rings is explicitly covered by HTS 2921.59.1700 as an aromatic polyamine. It functions as an antioxidant intermediate and polymer modifier.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide molecular structure diagram and CAS number (136-92-5) in commercial invoice for CBP verification
• Ensure stabilizer additions don't exceed Chapter 29 note (f) limits to avoid reclassification
• Watch for bulk vs. lab quantities; larger shipments may trigger additional TSCA notifications