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483001

Sigma-Aldrich

Germanium(IV) oxide

powder, 99.999% trace metals basis

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Synonym(s):
Germanium dioxide
Linear Formula:
GeO2
CAS Number:
Molecular Weight:
104.64
EC Number:
MDL number:
UNSPSC Code:
12352300
PubChem Substance ID:
NACRES:
NA.23

Quality Level

assay

99.999% trace metals basis

form

powder

mp

>400 °C (lit.)

density

4.23 g/cm3

application(s)

battery manufacturing

SMILES string

O=[Ge]=O

InChI

1S/GeO2/c2-1-3

InChI key

YBMRDBCBODYGJE-UHFFFAOYSA-N

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Related Categories

pictograms

Exclamation mark

signalword

Warning

hcodes

Hazard Classifications

Acute Tox. 4 Oral

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves


Certificates of Analysis (COA)

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Xitong Chen et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 23(49), 11913-11919 (2017-08-12)
The development of novel photocatalysts usually centers on features such as band structures, various nano-, micro-, or macro-forms, and composites in efforts to tune their light absorption and charge separation efficiency. In comparison, the selectivity of photocatalysts with respect to
Xinguo Hong et al.
The Review of scientific instruments, 80(7), 073908-073908 (2009-08-07)
We describe an approach for acquiring high quality x-ray absorption fine structure (XAFS) spectroscopy spectra with wide energy range at high pressure using diamond anvil cell (DAC). Overcoming the serious interference of diamond Bragg peaks is essential for combining XAFS
Jiaqiang Wang et al.
Chemical communications (Cambridge, England), 46(29), 5250-5252 (2010-06-25)
Adding a small amount of commercial GeO(2) into aqueous suspension significantly enhanced the photocatalytic activity of titania-based photocatalysts for the degradation of dyes.
M Gunji et al.
Nanotechnology, 23(38), 385603-385603 (2012-09-06)
We report on the directed synthesis of germanium oxide (GeO(x)) nanowires (NWs) by locally catalyzed thermal oxidation of aligned arrays of gold catalyst-tipped germanium NWs. During oxygen anneals conducted above the Au-Ge binary eutectic temperature (T > 361 °C), one-dimensional
V V Dvoyrin et al.
Optics express, 19(9), 7992-7999 (2011-06-07)
A novel all-fiber laser based on a highly GeO2-doped dispersion-shifted Tm-codoped fiber, pumped at 1.56 µm wavelength and lasing at 1.862 µm wavelength with a slope efficiency up to 37% was demonstrated. The single-mode Tm-doped fiber with the 55GeO2-45SiO2 core

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