Silicon optical (mono crystalline) windows, 170 mm dia, 25 mm thick, 99.999%
Buy Silicon optical (mono crystalline) windows, 170 mm dia, 25 mm thick, 99.999% (CAS 7440-21-3) from Zemixal…
About Silicon optical (mono crystalline) windows, 170 mm dia, 25 mm thick, 99.999%
Silicon optical (mono crystalline) windows, 170 mm dia, 25 mm thick, 99.999% sits in our optical Windows & Coated Substrates section and ships worldwide from stock or short lead time. For your records (99.999%), the material is defined by CAS 7440-21-3, formula Si and molar mass 28.09 g/mol. It is handled as a crystalline solid.
Where it is used
- Optical windows
- IR & UV optics
- Coated substrates
- Electronics & thin films
Safe handling
Literature values: melting point 1414 °C and density 2.329 gm/cc. 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 1 pc and 10 pc, and custom quantities are quoted on request. Each lot travels with a batch certificate of analysis and a 16-section SDS. Request pricing online and we confirm availability, documentation and freight to your country.
Typical uses
- Optical windows
- IR & UV optics
- Coated substrates
- Electronics & thin films
Applications
Specifications and identifiers
| Product name | Silicon optical (mono crystalline) windows, 170 mm dia, 25 mm thick, 99.999% |
|---|---|
| Catalogue number | ZX-017151 |
| 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 | Crystalline |
| Melting point | 1414 °C |
| Density | 2.329 gm/cc |
| H-bond donors / acceptors | 0 / 0 |
| Topological polar surface area | 0 Ų |
| HS code | 9002 |
| InChIKey | XUIMIQQOPSSXEZ-UHFFFAOYSA-N |
| SMILES | [Si] |
| PubChem CID | 5461123 |
| Synonyms | Optical grade mono crystalline silicon circular blank |
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
| 1 pc | Quoted on request | |
| 10 pc | 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 optical (mono crystalline) windows, 170 mm dia, 25 mm thick, 99.999%
Which CAS number identifies Silicon optical (mono crystalline) windows, 170 mm dia, 25 mm thick, 99.999%?
What are the formula and molar mass of Silicon optical (mono crystalline) windows, 170 mm dia, 25 mm thick, 99.999%?
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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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- Formula
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- 28.09 g/mol
- CAS
- 7440-21-3
- Formula
- Si
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- 28.09 g/mol
- CAS
- 7440-21-3
- Formula
- Si
- MW
- 28.09 g/mol
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