Adamantane from Japan
Adamantane (C10H16) is a highly symmetrical tricyclic cyclane used in pharmaceutical intermediates and materials science. It falls under HTS 2902.19.0050 as a complex cyclane structure not specifically enumerated elsewhere.
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%
Import Tips
• Include NMR spectra verification of adamantane's characteristic cage structure for Customs review
• Ship under IATA/IMO regulations as flammable solid; maintain inert atmosphere packaging
• Provide end-use statements distinguishing research chemical from bulk solvent applications