2921.59.17.00/4,4'-Methylene bis(2,6-Diisopropylaniline)/Japan

4,4'-Methylene bis(2,6-Diisopropylaniline) from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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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