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%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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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