Dimenhydrinate from Japan
Dimenhydrinate is the aminophylline salt of diphenhydramine, functioning as an antihistamine antiemetic for motion sickness. Despite salt form, classified with the organic base under HTS 2933.59.21.00 per chapter note C(1) for aromatic pyrimidine-related antihistamines. Used principally as anti-nauseant.
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
• Declare as salt of base per note C; include assay for diphenhydramine content
• Avoid emetic additives implying safety-specific use
• Bulk import needs FDA advance notice 72 hours prior