Tungsten disulphide powder, 25-37µm, 99.5%

Name: Tungsten disulphide powder, 25-37µm, 99.5%
Brand: Vaqora Chemicals
SKU: VQ-015021

About Tungsten disulphide powder, 25-37µm, 99.5%

Tungsten disulphide powder, 25-37µm (CAS 12138-09-9) is a refractory / heavy metal compound offered by Vaqora Chemicals with a typical assay of 99.5%. The compound has the formula S2W, corresponding to a molecular weight of 248.0 g/mol. The IUPAC name is bis(sulfanylidene)tungsten. Alternative names: Tungsten disulfide and Tungsten disulphide.

In its supplied form it is grey powder or chunks. Store sealed in a dry, well-ventilated location away from incompatible materials. 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. It is used across academic and industrial research.

Available in 50 g, 250 g and 1 kg packs, Tungsten disulphide powder, 25-37µm is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Catalysis
Battery & energy materials

Industries

Specifications & identifiers

Chemical identifiers
Product name	Tungsten disulphide powder, 25-37µm, 99.5%
Catalogue No.	VQ-015021
CAS Number	12138-09-9
IUPAC name	bis(sulfanylidene)tungsten
Molecular formula	S₂W
Molecular weight	248 g/mol
Exact mass	247.8951
Purity / assay	99.5%
HSN code	28309020
InChIKey	ITRNXVSDJBHYNJ-UHFFFAOYSA-N
SMILES	S=[W]=S
PubChem CID	82938

Physical properties
Physical form	Powder
Appearance	Grey powder or chunks
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 sulfide nanopowder, APS 90 nm, 99%

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

VQ-017663

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 disulphide powder, 25-37µm, 99.5%?

The CAS Registry Number of Tungsten disulphide powder, 25-37µm, 99.5% 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 disulphide powder, 25-37µm, 99.5%?

Tungsten disulphide powder, 25-37µm, 99.5% 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 disulphide powder, 25-37µm, 99.5% can I order?

We supply Tungsten disulphide powder, 25-37µm, 99.5% in (99.5%) 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 disulphide powder, 25-37µm, 99.5%?

Yes. Every lot of Tungsten disulphide powder, 25-37µm, 99.5% 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 disulphide powder, 25-37µm, 99.5% be shipped internationally?

Yes. Tungsten disulphide powder, 25-37µm, 99.5% 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.