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790583

Sigma-Aldrich

Tungsten(IV) sulfide

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

Synonym(s):

Monotungsten disulfide, Tungsten disulfide

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About This Item

Linear Formula:
WS2
CAS Number:
12138-09-9
Molecular Weight:
247.97
EC Number:
235-243-3
MDL number:
MFCD00011467
UNSPSC Code:
12352302
PubChem Substance ID:
329768225
NACRES:
NA.23

Assay

99% trace metals basis

form

nanopowder

avg. part. size

90 nm (SEM)

density

7.5 g/mL at 25 °C (lit.)

SMILES string

S=[W]=S

InChI

1S/2S.W

InChI key

ITRNXVSDJBHYNJ-UHFFFAOYSA-N

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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 Code

13 - Non Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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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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