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Sigma-Aldrich

Tungsten(IV) sulfide

powder, 2 μm, 99%

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Synonym(s):
Tungsten disulfide
Linear Formula:
WS2
CAS Number:
Molecular Weight:
247.97
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23

Quality Level

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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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.

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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Antispalling effect of WS2 nanoparticles on the lubrication of automotive gearboxes
Aldana PU, et al.
Tribology Transactions, 59(1), 178-188 (2016)
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)
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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