Germanium(IV) oxide
ALDRICH/199478 - (crystalline powder), 99.998% trace metals basis
Synonym: Germania; Germanium oxide; Germanium dioxide
CAS Number: 1310-53-8
Empirical Formula (Hill Notation): GeO2
Molecular Weight: 104.64
EC Number: 215-180-8
MDL Number: MFCD00011030
Linear Formula: GeO2
Product Type: Chemical
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: 199478-100G
This image depicts SKU: 199478-100G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: 199478-10G
This image depicts SKU: 199478-10G
| application(s) | battery manufacturing |
| assay | 99.998% trace metals basis |
| density | 4.23 g/cm3 |
| form | (crystalline powder) |
| InChI | 1S/GeO2/c2-1-3 |
| InChI key | YBMRDBCBODYGJE-UHFFFAOYSA |
| mp | >400 °C (lit.) |
| Quality Level | 200  |
| SMILES string | O=[Ge]=O |
| Application: | Germanium(IV) oxide can be used:• To prepare glasses for nuclear radiation shielding and ultra-broadband amplification. For example, germanium and bismuth oxide glasses. • As a precursor to synthesize GeO2/TiO2 nanocomposites that can be used for the photocatalysis of organic pollutants. • As an anode material for lithium-ion batteries due to its high lithium storage capacity, thermostability, and large volume expansion during the charge–discharge process. |
| General description: | Germanium(IV) oxide (GeO₂) is a semiconductor material known for its notable optical properties and high refractive index. It finds extensive use in various applications within electronics and optics. This compound is slightly soluble in water and acts as a catalyst in industrial processes. Additionally, GeO₂ is employed in the development of sensors for gas detection and other chemical species, utilizing its semiconductor characteristics to enhance sensitivity and response times. |
| Packaging: | 10, 25, 100 g in poly bottle |
| Symbol |  GHS07 |
| Signal word | Warning |
| Hazard statements | H302 |
| Hazard Codes | Xn |
| Risk Statements | 22 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | 99.998% trace metals basis |
| mp | >400 °C (lit.) |
| Density | 4.23 g/cm3 |
| UNSPSC | 12352303 |