Description

Carbonic Acid, Bismuth Salt is an inorganic bismuth compound with the CAS registry number 18400-34-5. This material serves as a critical precursor and functional additive in various high-value industrial and pharmaceutical processes. It is primarily utilized by manufacturers in the chemical synthesis, catalyst, and specialty glass sectors seeking a reliable source of bismuth.

Application

• Catalyst Precursor: Used in the synthesis of catalysts for organic reactions and polymerization processes.
• Pharmaceutical Intermediates: Acts as a key starting material or intermediate in the production of certain bismuth-based active pharmaceutical ingredients (APIs).
• Specialty Glass & Ceramics: Imparts specific optical or electrical properties in the manufacture of specialty glasses and ceramic glazes.
• Chemical Synthesis: Serves as a bismuth source for preparing other bismuth salts and coordination compounds in research and development.
• Pigment Manufacturing: Utilized in the production of certain yellow pigments and pearlescent effects.
• Laboratory Reagent: Employed as a standard or reagent in analytical and research chemistry laboratories.

Basic Information

Product Name	Carbonic Acid, Bismuth Salt
CAS No.	18400-34-5
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Bismuth Carbonate; Bismuth Subcarbonate; Basic Bismuth Carbonate; Bismuth(III) Carbonate Hydroxide; Bismuth Oxocarbonate; Bismuthyl Carbonate; (BiO)2CO3; Dibismuth Carbonate Oxide
EINECS	242-256-1

Quality Control

Our Carbonic Acid, Bismuth Salt is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity and composition. Certificates of Analysis (COA) documenting key parameters such as assay, heavy metal content, and loss on drying are 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 the container tightly sealed to minimize exposure to atmospheric moisture and carbon dioxide.

Specification

Item	Specification
Appearance	White or off-white powder
Identification (IR)	Conforms
Assay (as Bi2O3)	≥ 90.0 %
Loss on Drying	≤ 1.0 %
Chloride (Cl)	≤ 0.05 %
Nitrate (NO3)	≤ 0.05 %
Sulfate (SO4)	≤ 0.05 %
Heavy Metals (as Pb)	≤ 20 ppm
Arsenic (As)	≤ 5 ppm

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