Silicon powder, -325 mesh, 99.99%
Buy Silicon powder, -325 mesh, 99.99% (CAS 7440-21-3) from Zemixal. Request a quote with price, lead time and documents.
About Silicon powder, -325 mesh, 99.99%
Silicon powder, -325 mesh, 99.99% is part of the Zemixal metal Powders range. Identity at a glance (99.99%): CAS 7440-21-3, formula Si and molar mass 28.09 g/mol. It is described as grey to dark grey powder.
Use cases we see most often
- Powder metallurgy
- Additive manufacturing
- Chemical synthesis
- Organic synthesis
Safe handling
Reported physical data: 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. For transport it ships as UN UN 1346.
Order it in 100 g, 500 g and 1 kg packs or ask for a bulk quotation. 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.
Typical uses
- Powder metallurgy
- Additive manufacturing
- Chemical synthesis
- Organic synthesis
Applications
Specifications and identifiers
| Product name | Silicon powder, -325 mesh, 99.99% |
|---|---|
| Catalogue number | ZX-015258 |
| 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 | Powder |
| Appearance | Grey to dark grey powder |
| Density | 2.33 g/mL at 25 °C |
| H-bond donors / acceptors | 0 / 0 |
| Topological polar surface area | 0 Ų |
| HS code | 28046900 |
| UN number | UN 1346 |
| InChIKey | XUIMIQQOPSSXEZ-UHFFFAOYSA-N |
| SMILES | [Si] |
| PubChem CID | 5461123 |
| Synonyms | Silicon high purity |
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 g | Quoted on request | |
| 500 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 Silicon powder, -325 mesh, 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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