Description

Bismuth Sulfide (CAS NO 12048-34-9) is a high-purity inorganic compound valued for its unique semiconductor and thermoelectric properties. It serves as a critical precursor material in advanced material science and industrial chemistry. This product is essential for manufacturers and R&D facilities in the electronics, energy, and chemical synthesis sectors seeking reliable, high-quality raw materials.

Application

• Thermoelectric Materials: A key component in the fabrication of bismuth telluride-based alloys for efficient solid-state cooling and power generation devices.
• Semiconductor Manufacturing: Used as a precursor for the synthesis of bismuth chalcogenide thin films and nanomaterials in optoelectronics and photovoltaics.
• Chemical Synthesis: Acts as a versatile reagent for producing other bismuth compounds and catalysts used in organic transformations.
• Lubricant Additives: Employed in the formulation of high-performance solid lubricants and anti-wear coatings for extreme conditions.
• Pigments and Ceramics: Imparts specific colors and properties in the production of specialty glasses, ceramics, and artistic pigments.
• Research & Development: Serves as a fundamental material for academic and industrial research in material science, chemistry, and physics.

Basic Information

Product Name	Bismuth Sulfide
CAS No.	12048-34-9
Molecular Formula	Bi2S3
Molecular Weight	514.16 g/mol
Synonyms	Bismuth(III) sulfide; Bismuth trisulfide; Dibismuth trisulfide; Bismuth sesquisulfide; Mineral bismuthinite; Bismuth glance; Bismuth sulfide black
EINECS	234-977-0

Quality Control

Our Bismuth Sulfide is produced and tested under stringent quality management protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) detailing key parameters such as assay, heavy metal content, and particle size distribution. Our quality systems are designed to meet the rigorous demands of industrial and research applications, ensuring reliable performance in your processes.

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 incompatible materials such as strong acids and strong oxidizing agents.

Specification

Item	Specification
Appearance	Dark gray to black powder
Identification (IR)	Conforms
Assay (Bi2S3)	≥ 99.9%
Particle Size (D50)	< 10 µm (or as specified)
Heavy Metals (as Pb)	< 10 ppm
Loss on Drying	< 0.5%

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