Description

Molybdenum(IV) Selenide is a high-purity inorganic compound with the chemical formula MoSe₂. This material is valued for its unique layered structure and semiconducting properties, making it a critical component in advanced material science and electronics. It is essential for researchers and manufacturers in sectors such as solid-state lubrication, photovoltaics, and nanotechnology.

Application

• Solid Lubricants & Coatings: Used as a high-performance dry lubricant in extreme environments due to its low friction coefficient and thermal stability.
• Semiconductor & Electronics: A key material for thin-film transistors, photodetectors, and other 2D electronic devices.
• Photovoltaic Research: Investigated as an absorber layer in next-generation thin-film solar cells and photoelectrochemical cells.
• Catalysis: Serves as a catalyst or catalyst support in hydrogen evolution reactions (HER) and other chemical processes.
• Nanotechnology: Used in the synthesis of nanomaterials, quantum dots, and as a precursor for molybdenum diselenide nanosheets.
• Solid-State Physics Research: A model compound for studying the properties of transition metal dichalcogenides (TMDCs).

Basic Information

Product Name	Molybdenum(IV) Selenide
CAS No.	12058-18-3
Molecular Formula	MoSe₂
Molecular Weight	253.86 g/mol
Synonyms	Molybdenum Diselenide; Molybdenum Selenide (MoSe2); Molybdenum(4+) Selenide; Molybdenum Selenide; Molybdenum(IV) Selenide; Molybdenum Selenide (MoSe₂); Molybdenum Selenide Powder; Molybdenum(4+) Diselenide
EINECS	235-031-3

Quality Control

Our Molybdenum(IV) Selenide is manufactured under strict quality protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive quality assurance, including analysis of particle size, crystallinity, and metallic impurities. A Certificate of Analysis (COA) detailing specific lot results is available for every shipment.

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). This material is hygroscopic (moisture-sensitive) and should be kept under inert atmosphere or in a desiccator for long-term storage to prevent oxidation and moisture absorption.

Specification

Item	Specification
Appearance	Black to dark gray powder
Identification (XRD)	Conforms to MoSe₂ structure
Assay (MoSe₂)	≥ 99.9%
Particle Size (D50)	1-10 µm (or as specified)
Mo Content	Contact for details
Se Content	Contact for details
Trace Metals (ICP-MS)	< 100 ppm total
Oxygen Content	< 1.0%

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