2921.44.05.00/4,4'-Bis(α,α-dimethylbenzyl)diphenylamine/Japan

4,4'-Bis(α,α-dimethylbenzyl)diphenylamine from Japan

This is a specific aromatic diphenylamine derivative used primarily as an antioxidant and stabilizer in rubber and polymer production. It falls under HTS 2921.44.0500 as it is explicitly named in the tariff heading for diphenylamine derivatives. The compound's structure features two α,α-dimethylbenzyl groups attached to the 4,4' positions of diphenylamine, providing steric hindrance for effective stabilization.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter

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Import Tips

• Provide detailed chemical analysis certificates (COA) confirming purity and structure matching the exact tariff description to avoid misclassification

• Ensure proper Hazard Communication labeling per GHS as it's a chemical substance requiring SDS documentation for customs clearance

• Verify REACH compliance if sourcing from EU; common pitfall is incomplete impurity declarations affecting Chapter 29 eligibility