Description

Bismuth Sulfide (CAS NO 1345-07-9) 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 manufacturing. This product is essential for researchers and manufacturers in the electronics, pigments, and catalysis sectors seeking reliable, high-quality raw materials.

Application

• Thermoelectric Materials: A key component in the fabrication of bismuth telluride-based alloys for Peltier cooling devices and waste heat recovery systems.
• Semiconductor Research: Used as a precursor for synthesizing bismuth chalcogenide thin films and nanomaterials for optoelectronic applications.
• Pigments & Coatings: Employed in the production of high-density, dark-colored pigments for ceramics, plastics, and artist colors.
• Catalysis: Acts as a catalyst or catalyst support in specific organic synthesis and petrochemical processes.
• Lubricant Additive: Functions as a solid lubricant or an additive in extreme-pressure lubricants due to its layered structure.
• Analytical Reagent: Utilized in laboratory settings for qualitative inorganic analysis and as a standard in various chemical tests.

Basic Information

Product Name	Bismuth Sulfide
CAS No.	1345-07-9
Molecular Formula	Bi2S3
Molecular Weight	514.16 g/mol
Synonyms	Bismuth(III) sulfide; Bismuth trisulfide; Dibismuth trisulfide; Bismuth sesquisulfide; Bismuthinite (mineral); Bismuth sulfide black; C.I. 77630
EINECS	215-716-0

Quality Control

Our Bismuth Sulfide is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise chemical and physical specifications. A Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency for your R&D and production needs.

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 strong oxidizing agents. The container must be kept tightly closed to minimize exposure to moisture and air.

Specification

Item	Specification
Appearance	Dark brown to black powder or crystals
Identification (IR/XRD)	Conforms to standard
Assay (Bi2S3)	≥ 99.9%
Particle Size (D50)	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm
Chloride (Cl)	≤ 50 ppm

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