Silicon, chips 3-10 mm, 99.9%+
Buy Silicon, chips 3-10 mm, 99.9%+ (CAS 7440-21-3) from Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-015938.
About Silicon, chips 3-10 mm, 99.9%+
Silicon, chips 3-10 mm, 99.9%+ sits in our metal Granules, Shots & Pieces section and ships worldwide from stock or short lead time. For your records (≥99.9%), the material is defined by CAS 7440-21-3, formula Si and molar mass 28.09 g/mol. Typical appearance is silver to grey pieces.
Common uses in the lab and plant
- Alloy preparation
- Evaporation sources
- Materials research
Storage and safety notes
Reported physical data: melting point 1410 °C, boiling point 2355 °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, 500 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. Request pricing online and we confirm availability, documentation and freight to your country.
Typical uses
- Alloy preparation
- Evaporation sources
- Materials research
Applications
Specifications and identifiers
| Product name | Silicon, chips 3-10 mm, 99.9%+ |
|---|---|
| Catalogue number | ZX-015938 |
| CAS number | 7440-21-3 |
| IUPAC name | silicon |
| Molecular formula | Si |
| Molar mass | 28.09 g/mol |
| Exact mass | 27.9769 |
| Purity / assay | ≥99.9% |
| Physical form | Solid |
| Appearance | Silver to grey pieces |
| Melting point | 1410 °C |
| Boiling point | 2355 °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 3-10 mm |
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 | |
| 500 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.
Questions about Silicon, chips 3-10 mm, 99.9%+
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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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