Tungsten(VI) oxide, 99%
Tungsten(VI) oxide, 99% (CAS 1314-35-8) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-014083.
About Tungsten(VI) oxide, 99%
Tungsten(VI) oxide, 99% sits in our refractory & Heavy Metal Compounds (Mo, W, V, Ti, Zr, Cd, Hg) section and ships worldwide from stock or short lead time. Key data (99%): CAS 1314-35-8, formula O3W and molar mass 231.84 g/mol. It is described as yellow to yellowish green solid.
Common uses in the lab and plant
- Dyes & pigments manufacture
- Ceramics & glass
Handling and storage
Reported physical data: density 7.16 g/mL at 25 °C. Classified under GHS with signal word Warning and hazard statements H302, H315, H319 and H335. Read the SDS before first use.
Standard pack sizes are 100 g, 250 g and 5 kg, and custom quantities are quoted on request. You receive a batch certificate of analysis and a 16-section SDS with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
Specifications and identifiers
| Product name | Tungsten(VI) oxide, 99% |
|---|---|
| Catalogue number | ZX-014083 |
| CAS number | 1314-35-8 |
| IUPAC name | trioxotungsten |
| Molecular formula | O3W |
| Molar mass | 231.84 g/mol |
| Exact mass | 231.9357 |
| Purity / assay | 99% |
| Physical form | Solid |
| Appearance | Yellow to yellowish green solid |
| Density | 7.16 g/mL at 25 °C |
| H-bond donors / acceptors | 0 / 3 |
| Topological polar surface area | 51.2 Ų |
| HS code | 28259090 |
| InChIKey | ZNOKGRXACCSDPY-UHFFFAOYSA-N |
| SMILES | O=[W](=O)=O |
| PubChem CID | 14811 |
| Synonyms | Tungstic anhydride,Tungsten oxide, Tungsten oxide (WO3), Tungstic anhydride, Tungstic oxide, Tungsten Blue, Tungstic acid anhydride, Wolframic acid, anhydride, tungsten(6+) oxide, tungsten(vi) trioxide, WO3, Tungsten (VI) oxide, Tris(oxido)tungsten |
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
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, 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
| 100 g | Quoted on request | |
| 250 g | Quoted on request | |
| 5 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
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