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Merck

243639

Tungsten disulfide

powder, 2 μm, 99%

Synonym(s):

Tungsten disulfide, Tungsten(IV) sulfide

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50 G

€97.50

€97.50


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About This Item

Linear Formula:
WS2
CAS Number:
Molecular Weight:
247.97
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.23

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Product Name

Tungsten(IV) sulfide, powder, 2 μm, 99%

Assay

99%

form

powder

reaction suitability

reagent type: catalyst
core: tungsten

particle size

2 μm

density

7.5 g/mL at 25 °C (lit.)

application(s)

battery manufacturing

SMILES string

S=[W]=S

InChI

1S/2S.W

InChI key

ITRNXVSDJBHYNJ-UHFFFAOYSA-N

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Show Differences

1 of 4

This Item
241881804169790583
form

powder

form

powder

form

nanopowder

form

nanopowder

assay

99%

assay

≥99%

assay

99% trace metals basis

assay

99% trace metals basis

particle size

2 μm

particle size

2 μm

particle size

-

particle size

-

density

7.5 g/mL at 25 °C (lit.)

density

-

density

5.06 g/mL at 25 °C (lit.)

density

7.5 g/mL at 25 °C (lit.)

reaction suitability

reagent type: catalyst
core: tungsten

reaction suitability

-

reaction suitability

-

reaction suitability

-

application(s)

battery manufacturing

application(s)

-

application(s)

-

application(s)

-

Application

Tungsten(IV) sulfide (WS2) is a transition metal dichalcogenide with good catalytic, optical and electronic properties. WS2 can be used as a solid lubricant for a variety of applications such as aerospace, cutting tools and automotive systems.[1][2][3][4]

Storage Class Code

13 - Non Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Codeposition of inorganic fullerene-like WS2 nanoparticles in an electrodeposited nickel matrix under the influence of ultrasonic agitation
Garcia-Lecina E, et al.
Electrochimica Acta, 114, 859-867 (2013)
Antispalling effect of WS2 nanoparticles on the lubrication of automotive gearboxes
Aldana PU, et al.
Tribology Transactions, 59(1), 178-188 (2016)
Performance of femtosecond laser-textured cutting tools deposited with WS2 solid lubricant coatings
Deng J, et al.
Surface and Coatings Technology, 222(1), 135-143 (2013)
Yumei Ren et al.
Chemistry, an Asian journal, 14(23), 4315-4321 (2019-10-22)
Exploring advanced electrocatalysts for electrocatalytic hydrogen evolution is highly desired but remains a challenge due to the lack of an efficient preparation method and reasonable structural design. Herein, we deliberately designed novel Ag/WO3-x heterostructures through a supercritical CO2 -assisted exfoliation-oxidation
Valentina Paolucci et al.
Sensors (Basel, Switzerland), 19(11) (2019-06-12)
The NO2 response in the range of 200 ppb to 1 ppm of a chemoresistive WS2-decorated rGO sensor has been investigated at operating temperatures of 25 °C and 50 °C in dry and humid air (40% RH) under dark and

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Questions

  1. Dear sir/madam; I hope you are doing well. I want to know about the morphology of this product. Whether it has a zero-, one, or two-dimensional structure. Best, Amir

    1 answer
    1. Tungsten sulfide possesses a pseudo 2 dimensional structure .

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