Description

Cobalt(II) Selenide is an inorganic compound with the chemical formula CoSe, recognized under the CAS registry number 1307-99-9. This material is a significant functional semiconductor and catalyst precursor, valued for its distinct electronic and catalytic properties. It is primarily utilized by manufacturers and research institutions in advanced material science, electronics, and energy conversion technologies.

Application

• Semiconductor and Thin-Film Electronics: A key precursor for the synthesis of selenide-based thin films and nanomaterials used in photovoltaics and optoelectronic devices.
• Catalysis Research: Serves as a catalyst or catalyst precursor in various chemical reactions, including hydrodesulfurization and hydrogen evolution reactions (HER).
• Thermoelectric Materials: Used in the development of high-performance thermoelectric materials for waste heat recovery and power generation.
• Magnetic Material Studies: Investigated for its magnetic properties in spintronics and data storage research applications.
• Chemical Vapor Deposition (CVD): Employed as a source material in CVD processes to deposit cobalt selenide coatings and nanostructures.
• Battery Technology: Explored as a potential electrode material or component in next-generation lithium-ion and sodium-ion batteries.
• Laboratory Reagent: Used as a high-purity starting material in inorganic synthesis and materials research.

Basic Information

Product Name	Cobalt(II) Selenide
CAS No.	1307-99-9
Molecular Formula	CoSe
Molecular Weight	137.89 g/mol
Synonyms	Cobalt Monoselenide; Cobaltous Selenide; Cobalt Selenide (CoSe); Selenoxocobalt; Cobalt(2+) selenide; Cobalt Selenide Black; EINECS 215-158-9
EINECS	215-158-9

Quality Control

Our Cobalt(II) Selenide is produced and controlled under a strict quality management system. Each batch undergoes comprehensive analysis to ensure consistent purity, composition, and physical properties. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as assay, particle size distribution, and trace metal impurities.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong acids and strong oxidizing agents. The container must be kept tightly sealed due to the potential for moisture sensitivity.

Specification

Item	Specification
Appearance	Black to gray-black powder or crystals
Identification (XRD)	Conforms to CoSe structure
Assay (CoSe)	≥ 99.0%
Particle Size (D50)	Contact for details
Trace Metals (ICP-MS)	Contact for details

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