Skip to Content
Merck
All Photos(1)

Documents

483702

Sigma-Aldrich

Germanium(IV) oxide

≥99.99% trace metals basis

Synonym(s):

Germanium dioxide

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Linear Formula:
GeO2
CAS Number:
1310-53-8
Molecular Weight:
104.64
EC Number:
215-180-8
MDL number:
MFCD00011030
UNSPSC Code:
12352303
PubChem Substance ID:
24871912
NACRES:
NA.23

Quality Level

100

Assay

≥99.99% trace metals basis

form

powder

mp

>400 °C (lit.)

solubility

ethylene glycol: soluble

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

Looking for similar products? Visit Product Comparison Guide

Related Categories

General description

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.

Application

Building block for inorganic nanowires. Used in the synthesis of ultra-high refractive index and ultra-low loss optical waveguides.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302

Precautionary Statements

P264 - P270 - P301 + P312 - P501

Hazard Classifications

Acute Tox. 4 Oral

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Customers Also Viewed

Slide 1 of 8

1 of 8

Germanium powder, −100 mesh, ≥99.99% trace metals basis

Sigma-Aldrich

203351

Germanium

Germanium(IV) chloride for synthesis

Sigma-Aldrich

8.04079

Germanium(IV) chloride

Germanium powder, −100 mesh, ≥99.999% trace metals basis

Sigma-Aldrich

327395

Germanium

Germanium(II) sulfide 99.99% trace metals basis

Sigma-Aldrich

484539

Germanium(II) sulfide

Germanium(IV) methoxide

Sigma-Aldrich

396362

Germanium(IV) methoxide

Germanium(II) iodide ≥99.8% trace metals basis

Sigma-Aldrich

383260

Germanium(II) iodide

Tetramethylgermanium 98%

Sigma-Aldrich

396354

Tetramethylgermanium

Indium(III) oxide 99.99% trace metals basis

Sigma-Aldrich

289418

Indium(III) oxide

Rao, C.N.R., et al.
Journal of Materials Chemistry, 14, 440-440 (2004)
Imoto, K.
Optronics, 260, 116-116 (2003)
Jie Liang et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 23(71), 17879-17884 (2017-11-10)
The attractive properties of layered inorganic materials, which make them suitable for numerous applications in chemical industries and life sciences, originated from their crystalline framework structures. Here, we report a new layered germanate PKU-21, which was prepared by the hydrothermal
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
Sarah L Sewell et al.
Dalton transactions (Cambridge, England : 2003), (29)(29), 3857-3865 (2008-07-17)
Biomimetic synthesis is emerging as an advantageous alternative to the harsh synthetic conditions traditionally used in metal oxide syntheses techniques. Silaffins, proteins from the C. fusiformis diatom, form silica in an aqueous environment under benign conditions. Amine terminated PAMAM and
View All Related Papers

Articles

Advanced Inorganic Materials for Solid State Lighting

Advanced Inorganic Materials for Solid State Lighting

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service