Tungsten sulfide nanopowder, APS 90 nm, 99%

Name: Tungsten sulfide nanopowder, APS 90 nm, 99%
Brand: Vaqora Chemicals
SKU: VQ-017663

About Tungsten sulfide nanopowder, APS 90 nm, 99%

Listed under CAS 12138-09-9, Tungsten sulfide nanopowder, APS 90 nm is a nanoparticle available from Vaqora Chemicals, specified at 99% purity. Its molecular formula is S2W and its molecular weight is 248.0 g/mol. Systematically, it is named bis(sulfanylidene)tungsten. Common synonyms include Tungsten Sulfide nanoparticles and Tungsten disulfide.

In its supplied form it is a grey to black powder. Key physical data: a density of 7.5 g/mL at 25 °C. Keep the container tightly sealed and store it in a cool, dry area. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

It is commonly used for nanotechnology research, functional coatings, composites and catalysis. Typical end-use sectors are academic and industrial research.

Available in 5 g, 25 g and 1 kg packs, Tungsten sulfide nanopowder, APS 90 nm is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Nanotechnology research
Functional coatings
Composites
Catalysis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Tungsten sulfide nanopowder, APS 90 nm, 99%
Catalogue No.	VQ-017663
CAS Number	12138-09-9
IUPAC name	bis(sulfanylidene)tungsten
Molecular formula	S₂W
Molecular weight	248 g/mol
Exact mass	247.8951
Purity / assay	99%
HSN code	28309020
InChIKey	ITRNXVSDJBHYNJ-UHFFFAOYSA-N
SMILES	S=[W]=S
PubChem CID	82938

Physical properties
Physical form	Powder
Appearance	Grey to black powder
Density	7.5 g/mL at 25 °C
H-bond donors / acceptors	0 / 2
TPSA	64.2 Å²
Synonyms	Tungsten Sulfide nanoparticles, Tungsten disulfide, tungsten(IV) sulfide, (WS2), WS2, Tungsten Sulphuratum, Tungsten disulphide, Tungsten sulfide (WS2), Bulk WS2 powder, Bis(sulfido)tungsten, Monolayer WS2 Powder, Tungsten disulfide powder

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 12138-09-9

Tungsten disulphide powder, 25-37µm, 99.5%

CAS: 12138-09-9
Formula: S₂W
MW: 248 g/mol

VQ-015021

Tungsten(IV) sulphide, 99%

CAS: 12138-09-9
Formula: S₂W
MW: 248 g/mol

VQ-015022

Frequently asked questions

What is the CAS number of Tungsten sulfide nanopowder, APS 90 nm, 99%?

The CAS Registry Number of Tungsten sulfide nanopowder, APS 90 nm, 99% is 12138-09-9. It is also known as Tungsten Sulfide nanoparticles, Tungsten disulfide, tungsten(IV) sulfide.

What is the molecular formula and molecular weight of Tungsten sulfide nanopowder, APS 90 nm, 99%?

Tungsten sulfide nanopowder, APS 90 nm, 99% has the molecular formula S2W and a molecular weight of 248 g/mol. Its IUPAC name is bis(sulfanylidene)tungsten.

Which grade and pack sizes of Tungsten sulfide nanopowder, APS 90 nm, 99% can I order?

We supply Tungsten sulfide nanopowder, APS 90 nm, 99% in (99%) grade, in 5 g, 25 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Tungsten sulfide nanopowder, APS 90 nm, 99%?

Yes. Every lot of Tungsten sulfide nanopowder, APS 90 nm, 99% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Tungsten sulfide nanopowder, APS 90 nm, 99% be shipped internationally?

Yes. Tungsten sulfide nanopowder, APS 90 nm, 99% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.