Tungsten(IV) sulphide, 99%

Name: Tungsten(IV) sulphide, 99%
Brand: Vaqora Chemicals
SKU: VQ-015022

About Tungsten(IV) sulphide, 99%

Listed under CAS 12138-09-9, Tungsten(IV) sulphide is a refractory / heavy metal compound available from Vaqora Chemicals at a purity of 99%. Formula S2W, molecular weight 248.0 g/mol. The IUPAC name is bis(sulfanylidene)tungsten. It is also known as Tungsten disulfide or Tungsten disulphide.

It is supplied as a grey solid. Store in a tightly closed container in a cool, dry and well-ventilated place. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

It is commonly used for catalysis and battery and energy materials. Our customers for this product work in academic and industrial research.

Vaqora Chemicals supplies Tungsten(IV) sulphide in 50 g, 250 g and 1 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Catalysis
Battery & energy materials

Industries

Specifications & identifiers

Chemical identifiers
Product name	Tungsten(IV) sulphide, 99%
Catalogue No.	VQ-015022
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	Solid
Appearance	Grey solid
H-bond donors / acceptors	0 / 2
TPSA	64.2 Å²
Synonyms	Tungsten disulfide, Tungsten disulphide, tungsten(IV) sulfide, (WS2), WS2, Tungsten Sulphuratum, Tungsten sulfide (WS2), Bulk WS2 powder, Bis(sulfido)tungsten, Monolayer WS2 Powder, Tungsten disulfide powder, Monolayer WS2 Dispersion

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 sulfide nanopowder, APS 90 nm, 99%

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

VQ-017663

Frequently asked questions

What is the CAS number of Tungsten(IV) sulphide, 99%?

The CAS Registry Number of Tungsten(IV) sulphide, 99% is 12138-09-9. It is also known as Tungsten disulfide, Tungsten disulphide, tungsten(IV) sulfide.

What is the molecular formula and molecular weight of Tungsten(IV) sulphide, 99%?

Tungsten(IV) sulphide, 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(IV) sulphide, 99% can I order?

We supply Tungsten(IV) sulphide, 99% in (99%) grade, in 50 g, 250 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Tungsten(IV) sulphide, 99%?

Yes. Every lot of Tungsten(IV) sulphide, 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(IV) sulphide, 99% be shipped internationally?

Yes. Tungsten(IV) sulphide, 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.