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Merck

790583

Tungsten disulfide

greener alternative

nanopowder, 90 nm avg. part. size (SEM), 99% trace metals basis

Synonym(s):

Monotungsten disulfide, Tungsten disulfide, Tungsten(IV) sulfide

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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:
329768225
UNSPSC Code:
12352302
EC Number:
235-243-3
MDL number:
MFCD00011467

Key Documents

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Product Name

Tungsten(IV) sulfide, nanopowder, 90 nm avg. part. size (SEM), 99% trace metals basis

Quality Level

100

assay

99% trace metals basis

form

nanopowder

greener alternative product characteristics

Design for Energy Efficiency
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sustainability

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avg. part. size

90 nm (SEM)

density

7.5 g/mL at 25 °C (lit.)

greener alternative category

Enabling

SMILES string

S=[W]=S

InChI

1S/2S.W

InChI key

ITRNXVSDJBHYNJ-UHFFFAOYSA-N

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General description

We are committed to bringing you Greener Alternative Products that adhere to one of the four categories of Greener Alternatives. This is an enabling product that can be used to synthesize 2D materials, optimizing them for catalytic activity in applications such as water splitting. This enhances performance and contributes to sustainable energy solutions. Click here for more information.

Application

Tungsten sulfide possesses a pseudo 2 dimensional structure with applications in the Petrochemical industry as a desulfurization catalyst. Tungsten Sulfide nanoparticles have drawn research interest due to their potential in solid-state lubricants; coatings and photocatalysts.

Storage Class

13 - Non Combustible Solids

wgk

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
MKCZ8788
MKCW0347
MKCV0643
MKCR4065
MKCR7344

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Rapoport; L.;
Nature, 387(6635), 791-793 (1997)
Jiang; Hong;
The Journal of Physical Chemistry C, 116(14), 7664-7671 (2012)
Yingfeng Qin et al.
Analytica chimica acta, 866, 84-89 (2015-03-04)
As an important antitumor drug, bleomycin (BLM) is widely used in the treatment of a variety of cancers. In addition, nucleases play a crucial role in DNA replication, recombination and repair which are associated with cancer development. Thus, the development
Voevodin; A. A.;
Thin Solid Films, 370(1;2), 223-231 (2000)
Jingjin Zhao et al.
Analytica chimica acta, 887, 216-223 (2015-09-01)
Herein, we introduced a tungsten disulfide (WS2) nanosheet and exonuclease III (Exo III) co-assisted signal amplification strategy for highly sensitive fluorescent polarization (FP) assay of DNA glycosylase activity. Two DNA glycosylases, uracil-DNA glycosylase (UDG) and human 8-oxoG DNA glycosylase 1
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