Tungsten wire, dia 0.25 mm, 99.95%
Buy Tungsten wire, dia 0.25 mm, 99.95% (CAS 7440-33-7) from Zemixal. Lab and bulk packs, batch COA, fast global delivery.
About Tungsten wire, dia 0.25 mm, 99.95%
Tungsten wire, dia 0.25 mm, 99.95% sits in our metal Wires, Rods & Tubes section and ships worldwide from stock or short lead time. Key data (99.95%): CAS 7440-33-7, formula W and molar mass 183.84 g/mol. Typical appearance is wire.
Use cases we see most often
- Electrodes & filaments
- Thermocouples & heating
- Materials research
- Molecular biology workflows
Storage and safety notes
Reported physical data: melting point 3410 °C and density 19.3 g/ml at 25 °C. It carries the GHS signal word Danger (H228 and H252), so wear gloves and eye protection and work with good ventilation.
Standard pack sizes are 10 m and 50 m, and custom quantities are quoted on request. Each lot travels with 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.
Typical uses
- Electrodes & filaments
- Thermocouples & heating
- Materials research
- Molecular biology workflows
Applications
Specifications and identifiers
| Product name | Tungsten wire, dia 0.25 mm, 99.95% |
|---|---|
| Catalogue number | ZX-015705 |
| CAS number | 7440-33-7 |
| IUPAC name | tungsten |
| Molecular formula | W |
| Molar mass | 183.84 g/mol |
| Exact mass | 183.9509 |
| Purity / assay | 99.95% |
| Physical form | Wire |
| Appearance | Wire |
| Melting point | 3410 °C |
| Density | 19.3 g/ml at 25 °C |
| H-bond donors / acceptors | 0 / 0 |
| Topological polar surface area | 0 Ų |
| HS code | 81019990 |
| InChIKey | WFKWXMTUELFFGS-UHFFFAOYSA-N |
| SMILES | [W] |
| PubChem CID | 23964 |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Danger
- H228Flammable solid
- H252Self-heating in large quantities, may catch fire
Precautionary statements P210, P235, P240, P241, P280, P370 + P378, P407, P410, P413, P420
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 10 m | Quoted on request | |
| 50 m | 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 wire, dia 0.25 mm, 99.95%
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Other grades with CAS 7440-33-7
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