Pharmaceutical Grade Bismuth Carbonate
High-purity bismuth carbonate meeting USP standards for use in gastrointestinal remedies and ointments. Classified specifically under HTS 2836.99.20.00 as a carbonate of bismuth (inorganic base) per Chapter 28 note 2. Supplied as fine white microcrystalline powder.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If containing complex salts or thiocarbonates
Chapter notes direct complex salts of inorganic bases to 2842, potentially including bismuth derivatives.
If pre-packaged as retail stomach remedy
Retail-ready medicaments with therapeutic claims shift from bulk chemical to Chapter 30 finished products.
If for laboratory/research use in prepared mixtures
Lab-grade preparations or mixtures not chemically defined may fall under chemical preparations heading.
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Import Tips & Compliance
• Provide FDA Drug Master File reference and COA showing >99% purity to prevent reclassification as mixtures
• Declare as 'chemically defined compound' explicitly; avoid generic 'chemical' descriptions that trigger additional scrutiny
• Comply with TSCA import certification; watch for REACH compliance if transshipping from EU
Related Products under HTS 2836.99.20.00
Bismuth Subcarbonate Powder
Bismuth subcarbonate (Bi2O2CO3) is a white, odorless powder classified under HTS 2836.99.20.00 as a bismuth carbonate, a basic carbonate of an inorganic base. It is primarily used in pharmaceuticals as an antacid and in cosmetics for its mild astringent properties.
Technical Grade Bismuth Carbonate
Industrial-grade bismuth carbonate used in ceramic glazes, catalysts, and radiation shielding compounds. HTS 2836.99.20.00 classification applies to this carbonate of inorganic base bismuth, distinct from oxides or other salts.
Bismuth Subnitrate Equivalent Carbonate
Synthetic bismuth subcarbonate serving as alternative to traditional subnitrate in astringent creams and lotions. Precisely classified under 2836.99.20.00 for its carbonate composition meeting Chapter 28 chemical definition.
High-Purity Bismuth Carbonate USP/EP
Dual-compendial (USP/EP) bismuth carbonate for global pharmaceutical supply chains, classified as HTS 2836.99.20.00 pure bismuth carbonate. Used in compounded prescriptions and veterinary medicines.