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
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 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