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Germanium(IV)-oxid
≥99.99% trace metals basis
Synonym(e):
Germaniumdioxid
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About This Item
Lineare Formel:
GeO2
CAS-Nummer:
Molekulargewicht:
104.64
EG-Nummer:
MDL-Nummer:
UNSPSC-Code:
12352303
PubChem Substanz-ID:
NACRES:
NA.23
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Qualitätsniveau
Assay
≥99.99% trace metals basis
Form
powder
mp (Schmelzpunkt)
>400 °C (lit.)
Löslichkeit
ethylene glycol: soluble
Dichte
4.23 g/cm3
Anwendung(en)
battery manufacturing
SMILES String
O=[Ge]=O
InChI
1S/GeO2/c2-1-3
InChIKey
YBMRDBCBODYGJE-UHFFFAOYSA-N
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Allgemeine Beschreibung
Germanium(VI) oxide, also known as germania or germanium dioxide, is a white or off-white powder. It is a refractory metal oxide with a high melting point (1,600 °C) and offers excellent chemical resistance. In addition, germanium(VI) oxide has excellent optoelectronic properties that have made it a valuable material in the semiconducting industry. It has a high refractive index of approximately 2.1, which is higher than that of many other semiconductor materials, and a low absorption coefficient. These properties make it useful for applications such as waveguides, antireflective coatings, and high-index contrast coatings. In addition, germanium(VI) has a high bandgap of about 3.1 eV coupled with relatively high transparency in the infrared region of the electromagnetic spectrum, which makes it useful for applications such as infrared detectors, LEDs, and solar cells.
Anwendung
Building block for inorganic nanowires. Used in the synthesis of ultra-high refractive index and ultra-low loss optical waveguides.
Signalwort
Warning
H-Sätze
Gefahreneinstufungen
Acute Tox. 4 Oral
Lagerklassenschlüssel
11 - Combustible Solids
WGK
WGK 3
Flammpunkt (°F)
Not applicable
Flammpunkt (°C)
Not applicable
Persönliche Schutzausrüstung
dust mask type N95 (US), Eyeshields, Faceshields, Gloves
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