Cryptone Synthetic from China
Cryptone (3-isopropyl-6-oxo-1-cyclohexene) synthetic analog of natural eucalyptus ketone under HTS 2914.29.50.00. Used in synthetic mint flavors and polymer additives.
Duty Rate — China → United States
42.3%
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
• PMN/ TSCA notification if synthetic route differs from natural C10H16O isomer
• 13C-NMR confirming ring substitution pattern vs natural cryptone
• Synthetic declaration prevents natural flavor certification conflicts