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808806

Tungsten disulfide

Crystal, 99.995%

Synonym(s):

Tungsten(IV) sulfide, Tungsten sulfide, Tungsten sulphide

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About This Item

Linear Formula:
WS2
CAS Number:
12138-09-9
Molecular Weight:
247.97
NACRES:
NA.23
PubChem Substance ID:
329769123
UNSPSC Code:
12352302
EC Number:
235-243-3
MDL number:
MFCD00011467
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Quality Level

100

assay

99.995%

form

crystals

L × W × W

0.5 cm × 0.5 cm × 0.1-0.15 mm, typical size, some variation in dimensions may occur with different batches

density

7.5 g/mL at 25 °C (lit.)

SMILES string

S=[W]=S

InChI

1S/2S.W

InChI key

ITRNXVSDJBHYNJ-UHFFFAOYSA-N

Application

The two dimensional layered inorganic nanomaterials have drawn significant attention recently owing to their thickness dependent physical and chemical properties. They find applications in photocatalysis, phtotovoltaics, gas sensing, lithium ion batteries, field effect transistors, spintronics etc. Transition metal dischalcogenides represent an important class of inorganic 2D materials having the aforementioned applications.

Preparation Note

Store under nitrogen atmosphere.

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Storage Class

13 - Non Combustible Solids

wgk

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

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The Journal of Physical Chemistry C, 118, 3847-3863 (2014)
Sheneve Z Butler et al.
ACS nano, 7(4), 2898-2926 (2013-03-08)
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Elizabeth Gibney
Nature, 522(7556), 274-276 (2015-06-19)

Global Trade Item Number

SKUGTIN
80880604061833312117
808806-1EA04061826244760