Lidocaine Patch Active Pharmaceutical Ingredient
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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If final transdermal patch product
Completed medicated skin patches containing lidocaine classified in Chapter 30.
If custom polymorphic form not meeting standard specs
Non-standard drug forms may fall under 'other' amide compounds.
If pre-dissolved in acrylate adhesive matrix
Adhesive drug delivery mixtures classified as chemical preparations.
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Import Tips & Compliance
• 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
Related Products under HTS 2924.29.57.00
Lidocaine Hydrochloride USP
Pharmaceutical grade lidocaine hydrochloride, the salt form of diethylaminoacetoxylidide, used as a local anesthetic in medical procedures. Classified under HTS 2924.29.57.00 as an aromatic cyclic amide-function compound specifically identified as the drug lidocaine. Meets chapter 29 requirements for chemically defined organic compounds used primarily in pharmaceutical applications.
Lidocaine Base Powder EP/BP
European Pharmacopoeia grade pure lidocaine base (diethylaminoacetoxylidide) used in compounding pharmacies for custom anesthetic formulations. Falls under HTS 2924.29.57.00 as the specific aromatic cyclic amide drug, chemically defined per Chapter 29 note (a). Supplied as white crystalline powder for API manufacturing.
Pharmaceutical Lidocaine HCL Monohydrate
Lidocaine hydrochloride monohydrate USP/EP grade, containing one water molecule per API unit, used in sustained-release formulations. Specific HTS 2924.29.57.00 classification for this aromatic amide salt per Chapter 29 note on organic salts. White crystalline powder soluble in water for aqueous injections.
Lidocaine Free Base Research Grade
High-purity (>99.5%) lidocaine base for pharmaceutical research and analytical standards. Classified under HTS 2924.29.57.00 as chemically defined aromatic cyclic amide drug meeting Chapter 29 purity criteria. Used as reference standard in HPLC method validation.
Sterile Lidocaine HCl for Dental Cartridges
Preservative-free sterile lidocaine HCl 2% solution API for prefilled dental anesthetic cartridges. HTS 2924.29.57.00 covers the pure drug substance before final cartridge filling. Meets USP <71> sterility requirements for dental applications.
Lidocaine API for Injection Grade
Sterile-grade lidocaine API specifically manufactured for parenteral (injectable) pharmaceutical products like dental anesthetics. HTS 2924.29.57.00 classification applies to this chemically defined aromatic amide-function drug per chapter notes. Pyrogen-free with strict microbial limits for IV compatibility.