Diphenhydramine Hydrochloride API from Germany
Diphenhydramine HCl, first-generation antihistamine with piperazine-like nitrogen heterocycle, falls under HTS 2933.99.90.00 as a drug. Widely imported for Benadryl production and motion sickness treatments.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Ensure USP <467> microbial limits testing certification
• Monitor for residual solvents per ICH Q3C
• Label with 'may impair driving' warnings per FDA