Silicon pieces, 1-10 mm, 99.99999%
Silicon pieces, 1-10 mm, 99.99999% (CAS 7440-21-3) supplier Zemixal: Si, COA and SDS with every lot, worldwide shipping.
About Silicon pieces, 1-10 mm, 99.99999%
Researchers and plant chemists source Silicon pieces, 1-10 mm, 99.99999% from Zemixal for routine and specialised work. Key data (99.99999%): CAS 7440-21-3, formula Si and molar mass 28.09 g/mol. It is described as pieces or chunks.
Common uses in the lab and plant
- Alloy preparation
- Evaporation sources
- Materials research
Handling and storage
Physical constants on file: melting point 1410 °C and density 2.33 g/mL at 25 °C. It carries the GHS signal word Danger (H228 and H320), so wear gloves and eye protection and work with good ventilation.
Standard pack sizes are 25 g, 100 g and 5 x 1 kg, and custom quantities are quoted on request. Every shipment includes a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.
Typical uses
- Alloy preparation
- Evaporation sources
- Materials research
Applications
Specifications and identifiers
| Product name | Silicon pieces, 1-10 mm, 99.99999% |
|---|---|
| Catalogue number | ZX-015934 |
| CAS number | 7440-21-3 |
| IUPAC name | silicon |
| Molecular formula | Si |
| Molar mass | 28.09 g/mol |
| Exact mass | 27.9769 |
| Purity / assay | 99.99999% |
| Physical form | Solid |
| Appearance | Pieces or chunks |
| 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 |
| Synonyms | Silicon 7N |
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
| 25 g | Quoted on request | |
| 100 g | Quoted on request | |
| 5 x 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 pieces, 1-10 mm, 99.99999%
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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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