Tert-Butylbenzene from Mexico
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 — 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
• 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