Germanium polycrystalline, 99.999%
Buy Germanium polycrystalline, 99.999% (CAS 7440-56-4) from Zemixal: Ge, COA and SDS with every lot, worldwide shipping.
About Germanium polycrystalline, 99.999%
Researchers and plant chemists source Germanium polycrystalline, 99.999% from Zemixal for routine and specialised work. Key data (99.999%): CAS 7440-56-4, formula Ge and molar mass 72.63 g/mol. It is described as lumps or pieces or granules.
Use cases we see most often
- Alloy preparation
- Evaporation sources
- Materials research
- Optics & photonics
Storage and safety notes
Reported physical data: melting point 937 °C, boiling point 2830 °C and density 5.35 g/mL at 25 °C. Classified under GHS with signal word Danger and hazard statements H228, H361, H373 and H412. Read the SDS before first use.
Standard pack sizes are 1 g, 5 g, 10 g, 100 g and 5 x 1 kg, and custom quantities are quoted on request. You receive a batch certificate of analysis and a 16-section SDS with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
Typical uses
- Alloy preparation
- Evaporation sources
- Materials research
- Optics & photonics
Applications
Specifications and identifiers
| Product name | Germanium polycrystalline, 99.999% |
|---|---|
| Catalogue number | ZX-015838 |
| CAS number | 7440-56-4 |
| IUPAC name | germanium |
| Molecular formula | Ge |
| Molar mass | 72.63 g/mol |
| Exact mass | 73.9212 |
| Purity / assay | 99.999% |
| Physical form | Granules |
| Appearance | Lumps or pieces or granules |
| Melting point | 937 °C |
| Boiling point | 2830 °C |
| Density | 5.35 g/mL at 25 °C |
| H-bond donors / acceptors | 0 / 0 |
| Topological polar surface area | 0 Ų |
| HS code | 81129200 |
| InChIKey | GNPVGFCGXDBREM-UHFFFAOYSA-N |
| SMILES | [Ge] |
| PubChem CID | 6326954 |
| Synonyms | Germanium 5N |
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
- H361Suspected of damaging fertility or the unborn child
- H373May causes damage to organs through prolonged or repeated exposure
- H412Harmful to aquatic life with long lasting effects
Precautionary statements P203, P210, P240, P241, P260, P273, P280, P318, P319, P370 + P378, P405, P501
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 g | Quoted on request | |
| 5 g | Quoted on request | |
| 10 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 Germanium polycrystalline, 99.999%
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Other grades with CAS 7440-56-4
All 20 grades- CAS
- 7440-56-4
- Formula
- Ge
- MW
- 72.63 g/mol
- CAS
- 7440-56-4
- Formula
- Ge
- MW
- 72.63 g/mol
- CAS
- 7440-56-4
- Formula
- Ge
- MW
- 72.63 g/mol
- CAS
- 7440-56-4
- Formula
- Ge
- MW
- 72.63 g/mol
- CAS
- 7440-56-4
- Formula
- Ge
- MW
- 72.63 g/mol
- CAS
- 7440-56-4
- Formula
- Ge
- MW
- 72.63 g/mol
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- CAS
- 7440-56-4
- Formula
- Ge
- MW
- 72.63 g/mol
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