Skip to Content
Merck
CN
All Photos(1)

Documents

Safety Information

808806

Sigma-Aldrich

Tungsten disulfide

Crystal, 99.995%

Sign Into View Organizational & Contract Pricing
All Photos(1)
Synonym(s):
Tungsten(IV) sulfide, Tungsten sulfide, Tungsten sulphide
Linear Formula:
WS2
CAS Number:
12138-09-9
Molecular Weight:
247.97
EC Number:
235-243-3
MDL number:
MFCD00011467
UNSPSC Code:
12352200
PubChem Substance ID:
329769123
NACRES:
NA.23

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

Looking for similar products? Visit Product Comparison Guide

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.

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

新产品

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’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Exploration of Nanostructured Functional Materials Based on Hybridization of Inorganic 2D Nanosheets.
Gunjakar JL, et al.
The Journal of Physical Chemistry C, 118, 3847-3863 (2014)
Sheneve Z Butler et al.
ACS nano, 7(4), 2898-2926 (2013-03-08)
Graphene's success has shown that it is possible to create stable, single and few-atom-thick layers of van der Waals materials, and also that these materials can exhibit fascinating and technologically useful properties. Here we review the state-of-the-art of 2D materials
The super materials that could trump graphene.
Elizabeth Gibney
Nature, 522(7556), 274-276 (2015-06-19)

Articles

2D Materials in Biosensing

Professors summarize recent 2D materials synthesis advancements and biosensing applications in various fields.

Recent Advances in Scalable Synthesis and Processing of Two-Dimensional Materials

Advances in scalable synthesis and processing of two-dimensional materials

Recent Advances in Hybrid Halide Perovskites-based Solar Cells

For several decades, the need for an environmentally sustainable and commercially viable source of energy has driven extensive research aimed at achieving high efficiency power generation systems that can be manufactured at low cost.

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service