Silicon rod, dia 25 mm, 99.99%
Buy Silicon rod, dia 25 mm, 99.99% (CAS 7440-21-3) from Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-015653.
About Silicon rod, dia 25 mm, 99.99%
Zemixal supplies Silicon rod, dia 25 mm, 99.99% within its inorganic Chemicals, Metals & Advanced Materials portfolio. For your records (99.99%), the material is defined by CAS 7440-21-3, formula Si and molar mass 28.09 g/mol. Typical appearance is rod.
Where it is used
- Electrodes & filaments
- Thermocouples & heating
- Materials research
- Organic synthesis
Handling and storage
Physical constants on file: melting point 1410 °C and density 2.33 g/mL at 25 °C. Hazard communication follows GHS (Danger: H228 and H320). Our SDS lists exposure controls and first-aid measures.
Standard pack sizes are 100 mm, 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
- Organic synthesis
Applications
Specifications and identifiers
| Product name | Silicon rod, dia 25 mm, 99.99% |
|---|---|
| Catalogue number | ZX-015653 |
| CAS number | 7440-21-3 |
| IUPAC name | silicon |
| Molecular formula | Si |
| Molar mass | 28.09 g/mol |
| Exact mass | 27.9769 |
| Purity / assay | 99.99% |
| Physical form | Solid |
| Appearance | Rod |
| Melting point | 1410 °C |
| Density | 2.33 g/mL at 25 °C |
| H-bond donors / acceptors | 0 / 0 |
| Topological polar surface area | 0 Ų |
| HS code | 28046900 |
| InChIKey | XUIMIQQOPSSXEZ-UHFFFAOYSA-N |
| SMILES | [Si] |
| PubChem CID | 5461123 |
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
- H320Causes eye irritation
Precautionary statements P210, P240, P241, P264 + P265, P280, P305 + P351 + P338, P337 + P317, P370 + P378
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 mm | 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 Silicon rod, dia 25 mm, 99.99%
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Other grades with CAS 7440-21-3
All 21 grades- CAS
- 7440-21-3
- Formula
- Si
- MW
- 28.09 g/mol
- CAS
- 7440-21-3
- Formula
- Si
- MW
- 28.09 g/mol
- CAS
- 7440-21-3
- Formula
- Si
- MW
- 28.09 g/mol
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