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%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
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