Isobutylbenzene from Canada
Isobutylbenzene (C6H5CH2CH(CH3)2) used in fine chemical synthesis. Classifies as HTS 2902.90.30.50 'other' alkylbenzene with branched C4 chain. Excludes Chapter 27 crude oils per chapter notes.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Branching confirmed by mass spectrometry; UN 1918 packaging standards; avoid confusion with n-butylbenzene isomers