Tungsten disulphide powder, 25-37µm, 99.5%
Order Tungsten disulphide powder, 25-37µm, 99.5% (CAS 12138-09-9) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery.
About Tungsten disulphide powder, 25-37µm, 99.5%
Tungsten disulphide powder, 25-37µm, 99.5% is part of the Zemixal refractory & Heavy Metal Compounds (Mo, W, V, Ti, Zr, Cd, Hg) range. Key data (99.5%): CAS 12138-09-9, formula S2W and molar mass 248 g/mol. Typical appearance is grey powder or chunks.
Use cases we see most often
- Catalysis
- Battery & energy materials
Safe handling
It carries the GHS signal word Warning (H315, H319 and H335), so wear gloves and eye protection and work with good ventilation.
Available as 50 g, 250 g and 1 kg. Larger or split packs can be arranged. Every shipment includes a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
Specifications and identifiers
| Product name | Tungsten disulphide powder, 25-37µm, 99.5% |
|---|---|
| Catalogue number | ZX-014079 |
| CAS number | 12138-09-9 |
| IUPAC name | bis(sulfanylidene)tungsten |
| Molecular formula | S2W |
| Molar mass | 248 g/mol |
| Exact mass | 247.8951 |
| Purity / assay | 99.5% |
| Physical form | Powder |
| Appearance | Grey powder or chunks |
| 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 disulphide powder, 25-37µm, 99.5%
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