Isoeugenol (2-Methoxy-4-(1-propenyl)phenol) from China
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 — China → United States
43%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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