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| CAS No.: | 12065-10-0 |
|---|---|
| Name: | GERMANIUM SELENIDE |
| Molecular Structure: | |
|
|
|
| Formula: | GeSe |
| Molecular Weight: | 151.6 |
| Synonyms: | Germaniummonoselenide;Germanous selenide; |
| EINECS: | 235-061-4 |
| Density: | 5.6 g/mL at 25 °C(lit.) |
| Melting Point: | 670 °C(lit.) |
| Appearance: | black crystalline powder |
| Hazard Symbols: |
 T
|
| Risk Codes: | 23/24/25-33-36/37/38 |
| Safety: | 26-28-36/37/39-45 |
| PSA: | 0.00000 |
| LogP: | -0.31160 |
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Specification
The Germanium selenide is an inorganic chemical compound with the formula GeSe. The product categories are chalcogenides; materials science; metal and ceramic science. The CAS registry number is 12065-10-0 and other registry number is 51682-05-4. In addition, it is black crystalline powder which has orthorhombic (distorted NaCl-type) crystal symmetry; at temperatures ~650 °C, it transforms into the cubic NaCl structure.
The other characteristics of this product can be summarized as: (1)H-Bond Donor: 0; (2)H-Bond Acceptor: 2; (3)Rotatable Bond Count: 0; (4)Exact Mass: 233.754222; (5)MonoIsotopic Mass: 233.754222; (6)Topological Polar Surface Area: 0; (7)Heavy Atom Count: 3; (8)Formal Charge: -4; (9)Covalently-Bonded Unit Count: 3.
Preparation of Germanium selenide: It can be obtained by the reaction of GeCl2 and H2Se. The fusing of Ge and Se powder can get the pure GeSe powder. To grow GeSe crystals, GeSe powder is vaporized at the hot end of a sealed ampule and allowed to condense at the cold end.
When you are using this chemical, please be cautious about it as the following:
It is not only toxic by inhalation, in contact with skin and if swallowed, but also is irritating to eyes, respiratory system and skin. And its cumulative effects is dangerous. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. After contact with skin, wash immediately with plenty of soap-suds. If you want to contact this product, you must wear suitable protective clothing, gloves and eye/face protection. In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
People can use the following data to convert to the molecule structure.
1. Smiles:[GeH4+4].[SeH2-2].[SeH2-2]
2. InChI:InChI=1S/Ge.2Se/q+4;2*-2