4,4'-Methylene bis(2,6-Diethylaniline) from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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