2902.90.30/Tert-Butylbenzene/Japan

Tert-Butylbenzene from Japan

Tert-butylbenzene has a tertiary butyl group providing steric bulk, used in polymerization regulators. Classified HTS 2902.90.30 as alkylbenzene isomer. Quaternary carbon prevents certain substitution reactions.

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

• High boiling point (169°C) allows standard drum shipping without cooling

• UV stabilizer properties require light-proof packaging specification

• Distinguish from cumene by GC retention time documentation