Silicon optical (mono crystalline) windows, 40 mm dia, 10 mm thick, 99.999%
Order Silicon optical (mono crystalline) windows, 40 mm dia, 10 mm thick, 99.999% (CAS 7440-21-3) online at Zemixal…
About Silicon optical (mono crystalline) windows, 40 mm dia, 10 mm thick, 99.999%
Silicon optical (mono crystalline) windows, 40 mm dia, 10 mm thick, 99.999% is part of the Zemixal optical Windows & Coated Substrates range. Identity at a glance (99.999%): CAS 7440-21-3, formula Si and molar mass 28.09 g/mol. It is handled as a crystalline solid.
Common uses in the lab and plant
- Optical windows
- IR & UV optics
- Coated substrates
- Electronics & thin films
Handling and storage
Reported physical data: 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. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.
Typical uses
- Optical windows
- IR & UV optics
- Coated substrates
- Electronics & thin films
Applications
Specifications and identifiers
| Product name | Silicon optical (mono crystalline) windows, 40 mm dia, 10 mm thick, 99.999% |
|---|---|
| Catalogue number | ZX-017155 |
| 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, 40 mm dia, 10 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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