Isoeugenol (2-Methoxy-4-(1-propenyl)phenol) from Japan
Isoeugenol is an unsaturated guaiacol derivative allylbenzene used in perfumery and as vanillin precursor via oxidation. Its ether-phenol structure maintains HTS 2909.50.20.00 classification despite propenyl substitution. Essential import for fragrance synthesis.
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
Import Tips
• Specify cis/trans isomer ratio; mixed isomers require separate declaration
• Provide oxidation pathway documentation linking to vanillin production
• IFRA compliance certificate required for fragrance chemical imports