Cryptone Synthetic from Japan
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 — 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
• 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