2924.29.57.00/Lidocaine Patch Active Pharmaceutical Ingredient/Japan

Lidocaine Patch Active Pharmaceutical Ingredient from Japan

Micronized lidocaine base specifically processed for transdermal patch matrix (particle size D90<10μm). Classified HTS 2924.29.57.00 as pure aromatic amide API before patch assembly. Meets skin permeation pharmacopeial requirements.

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

• Include laser diffraction PSD report confirming D90<10μm for patch matrix compatibility

• Document polymorphic form (Form I preferred) affecting skin permeation rates

• Avoid milling post-import; particle size growth during storage affects patch performance