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Molybdenum diselenide

Molybdenum diselenide

CAS Number: 12058-18-3

Molecular Formula: MoSe2

Acute ToxicAcute Toxic
Health HazardHealth Hazard
Environmental HazardEnvironmental Hazard

About Molybdenum diselenide

Molybdenum Diselenide (CAS No: 12058-18-3), recognised across international chemical registries as molybdenum selenide, high-purity MoSe₂, and 2D transition metal dichalcogenide (TMD), is making major technical advancements across global quantum materials, optoelectronics, semiconductor nanoelectronics, and solid lubri...

Synonyms

  • diselenoxomolybdenum
  • MoSe2
  • diselanylidenemolybdenum
  • Mo-Se2
  • MOLYBDENUMSELENIDE
View all

Molybdenum diselenide Specifications

CAS Number
12058-18-3
Molecular Formula
MoSe2
Molecular Weight
253.9 g/mol
IUPAC Name
bis(selanylidene)molybdenum
Canonical SMILES
[Se]=[Mo]=[Se]
InChI Key
MHWZQNGIEIYAQJ-UHFFFAOYSA-N
InChI
InChI=1S/Mo.2Se
PubChem CID
82894
DSSTox Substance ID
DTXSID4065234
EINECS Number
235-027-9
HSN No
28429090
Molecular Weight
253.9 g/mol
Monoisotopic Mass
257.73845 Da
Topological Polar Surface Area
0 Ų
Density (Experimental)
6.9 g/cm³ (solid) (crystals)
GHS Hazard Statements
H301+H331 (19.1%): Toxic if swallowed or if inhaled H301 (100%): Toxic if swallowed H331 (100%): Toxic if inhaled H373 (100%): May causes damage to organs through prolonged or repeated exposure H400 (100%): Very toxic to aquatic life H410 (100%): Very toxic to aquatic life with long lasting effects
Hazard Classes and Categories
Acute Tox. 3 (100%) STOT RE 2 (100%) Aquatic Acute 1 (100%) Aquatic Chronic 1 (100%)

2D TMD Optoelectronic & Transistor Layers

A direct-bandgap monolayer channel material for ultra-thin field-effect transistors (FETs), photodetectors, and flexible optical displays

Electrocatalytic Hydrogen Evolution (HER)

A high-activity, noble-metal-free electrocatalyst in water-splitting electrolysis systems to generate green hydrogen

Extreme-Environment Vacuum & Aerospace Lubricants

A primary utilisation in aerospace mechanisms, space satellites, and high-vacuum equipment as a solid film lubricant offering high thermal stability and low friction coefficients

Valleytronic & Quantum Information Research

A premier material platform for investigating valley-polarised excitons, spintronic logic circuits, and quantum emission sources

  1. diselenoxomolybdenum
  2. MoSe2
  3. diselanylidenemolybdenum
  4. Mo-Se2
  5. MOLYBDENUMSELENIDE

Molybdenum diselenide FAQs

Minimum Order Quantity

25 kg (pilot) · 1 MT (commercial)

Lead Time

3 – 5 weeks ex-works

Incoterms

FOB · CIF

Packaging

20 L pails, 200 L HDPE drums, 1000 L IBC

Regional Availability

India · EU · Middle East · Southeast Asia

Documentation

SDS · COA · TDS available on request

Compliance & Quality

REACH registered*

GHS/SDS available

ISO 9001:2015 site*

RoHS compliant*

Global sourcing network

Consistent quality & reliability

End-to-end technical support

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