Tungsten(IV) sulphide, 99%
Buy Tungsten(IV) sulphide, 99% (CAS 12138-09-9) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Purity 99%.
About Tungsten(IV) sulphide, 99%
Tungsten(IV) sulphide, 99% is part of the Zemixal refractory & Heavy Metal Compounds (Mo, W, V, Ti, Zr, Cd, Hg) range. For your records (99%), the material is defined by CAS 12138-09-9, formula S2W and molar mass 248 g/mol. It is described as grey solid.
Use cases we see most often
- Catalysis
- Battery & energy materials
Safe handling
Hazard communication follows GHS (Warning: H315, H319 and H335). Our SDS lists exposure controls and first-aid measures.
Available as 50 g, 250 g and 1 kg. Larger or split packs can be arranged. Each lot travels with a batch certificate of analysis and a 16-section SDS. Request pricing online and we confirm availability, documentation and freight to your country.
Specifications and identifiers
| Product name | Tungsten(IV) sulphide, 99% |
|---|---|
| Catalogue number | ZX-014080 |
| CAS number | 12138-09-9 |
| IUPAC name | bis(sulfanylidene)tungsten |
| Molecular formula | S2W |
| Molar mass | 248 g/mol |
| Exact mass | 247.8951 |
| Purity / assay | 99% |
| Physical form | Solid |
| Appearance | Grey solid |
| H-bond donors / acceptors | 0 / 2 |
| Topological polar surface area | 64.2 Ų |
| HS code | 28309020 |
| InChIKey | ITRNXVSDJBHYNJ-UHFFFAOYSA-N |
| SMILES | S=[W]=S |
| PubChem CID | 82938 |
| 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 |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Warning
- 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 summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 50 g | Quoted on request | |
| 250 g | Quoted on request | |
| 1 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Tungsten(IV) sulphide, 99%
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