Description

Bismuth Carbonate is an inorganic salt of bismuth, widely recognized for its role as a high-purity precursor in the synthesis of other bismuth compounds and advanced materials. Its controlled purity and consistent particle size make it a critical raw material for industries requiring precise chemical performance. This product is essential for manufacturers in the pharmaceutical, catalyst, and specialty chemical sectors seeking reliable quality and supply chain stability.

Application

• Pharmaceutical Intermediates: A key starting material for the synthesis of bismuth subsalicylate and other active pharmaceutical ingredients (APIs) used in gastrointestinal treatments.
• Catalyst Production: Serves as a precursor for bismuth-based catalysts employed in organic synthesis and polymerization processes.
• Ceramic & Glass Manufacturing: Used as an additive to impart specific optical properties and to lower melting points in specialty glasses and ceramic glazes.
• Pearlescent Pigments: Acts as a core material in the production of high-luster, bismuth oxychloride-based pearlescent pigments for cosmetics and coatings.
• Electronics: Utilized in the formulation of varistor ceramics and other electronic components where specific electrical properties are required.
• Laboratory Reagent: Employed as a high-purity analytical reagent and research chemical in academic and industrial R&D settings.

Basic Information

Product Name	Bismuth Carbonate
CAS No.	16508-95-5
Molecular Formula	Bi2(CO3)3 or (BiO)2CO3
Molecular Weight	509.97 g/mol (for Bi2(CO3)3)
Synonyms	Bismuth(III) Carbonate; Bismuth Subcarbonate; Basic Bismuth Carbonate; Bismuth Oxocarbonate; Bismuth Carbonate Basic; Dibismuth Tricarbonate; Bismuth Sesquicarbonate; Cerium Group Carbonate
EINECS	240-591-9

Quality Control

Our Bismuth Carbonate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets stringent specifications for purity, heavy metal content, and physical properties. Certificates of Analysis (COA) documenting assay, impurity profiles, and other critical parameters are provided and available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong acids and incompatible materials.

Specification

Item	Specification
Appearance	White to pale yellow powder
Identification (IR)	Conforms
Assay (Bi2O3 basis)	≥ 90.0 %
Chloride (Cl)	≤ 0.01 %
Nitrate (NO3)	≤ 0.005 %
Sulfate (SO4)	≤ 0.01 %
Heavy Metals (as Pb)	≤ 10 ppm
Arsenic (As)	≤ 2 ppm
Iron (Fe)	≤ 10 ppm
Loss on Drying	≤ 1.0 %

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.