Silicon, granular, virgin poly fines 99.999%
Buy Silicon, granular, virgin poly fines 99.999% (CAS 7440-21-3) from Zemixal. Lab and bulk packs, batch COA, fast global delivery.
About Silicon, granular, virgin poly fines 99.999%
Silicon, granular, virgin poly fines 99.999% is part of the Zemixal metal Granules, Shots & Pieces range. Identity at a glance (99.999%): CAS 7440-21-3, formula Si and molar mass 28.09 g/mol. Typical appearance is ~1/4 in and down (fm chunks to powder).
Common uses in the lab and plant
- Alloy preparation
- Evaporation sources
- Materials research
- Electronics & thin films
Safe handling
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.
Available as 25 g, 100 g, 500 g, 1 kg and 5 kg. Larger or split packs can be arranged. Each lot travels with 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
- Electronics & thin films
Applications
Specifications and identifiers
| Product name | Silicon, granular, virgin poly fines 99.999% |
|---|---|
| Catalogue number | ZX-015939 |
| CAS number | 7440-21-3 |
| IUPAC name | silicon |
| Molecular formula | Si |
| Molar mass | 28.09 g/mol |
| Exact mass | 27.9769 |
| Purity / assay | 99.999% |
| Physical form | Powder |
| Appearance | ~1/4 in and down (fm chunks to powder) |
| 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 metal 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
| 25 g | Quoted on request | |
| 100 g | Quoted on request | |
| 500 g | Quoted on request | |
| 1 kg | 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, granular, virgin poly fines 99.999%
Which CAS number identifies Silicon, granular, virgin poly fines 99.999%?
What are the formula and molar mass of Silicon, granular, virgin poly fines 99.999%?
What grade and pack sizes are available for Silicon, granular, virgin poly fines 99.999%?
Which documents come with Silicon, granular, virgin poly fines 99.999%?
Can Zemixal ship Silicon, granular, virgin poly fines 99.999% to my country?
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
Related products
More in Metal Granules, Shots & Pieces
Have a list of compounds to price?
Paste up to 200 CAS numbers into Bulk CAS lookup, or send one enquiry for everything in your quote list. We reply with price, lead time and documents.