4,4'-Methylene bis(2,6-Diisopropylaniline) from Mexico
This sterically hindered diarylamine with isopropyl substituents is specifically identified in HTS 2921.59.1700. It functions as a high-performance antioxidant stabilizer for polyolefins and synthetic lubricants.
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
• Specify alkyl chain analysis to confirm diisopropyl substitution
• TSCA reporting required for >10,000 lbs/year imports
• Distinguish from diethyl analog with GC-MS data