Germanium Dioxide

GeO₂

IUPAC: Germanium(IV) oxide

CAS: 1310-53-8

Overview

Germanium dioxide is the most important germanium compound commercially, used in fiber optics, infrared optics, and as a polymerization catalyst for PET plastic.

Composition

Element Symbol Atoms Atomic Mass
Oxygen O 2 15.9990
Germanium Ge 1 72.6300

Elemental Composition

O
Oxygen ×2
30.6%
Ge
Germanium ×1
69.4%

Uses

  • • Fiber optic production
  • • Infrared optics
  • • PET catalyst
  • • Phosphor activator

Fun Facts

  • ✦ Used as a catalyst to make PET bottles, especially in Japan

Structure

SMILES

O=[Ge]=O

Properties

Type
oxide
State
solid
Molar Mass
104.64 g/mol
Density
4.2280 g/cm³
Melting Point
1115.0 °C
Solubility
4.5 g/L at 25°C

Molecular Descriptors

Exact Mass
105.9110
TPSA
34.1 Ų
H-Bond Donors
0
H-Bond Acceptors
2
Rotatable Bonds
0
Heavy Atoms
3
Complexity
18.0

Related Compounds

Aluminum Oxide

Al₂O₃

Antimony Trioxide

Sb₂O₃

Barium Oxide

BaO

Beryllium Oxide

BeO

Bismuth(III) Oxide

Bi₂O₃

Boron Trioxide

B₂O₃

Cadmium Oxide

CdO

Calcium Oxide

CaO

Carbon Dioxide

CO₂

Carbon Monoxide

CO

Frequently Asked Questions

What is Germanium Dioxide?
Germanium Dioxide (GeO₂) is a oxide compound with the IUPAC name Germanium(IV) oxide.
What is the molecular weight of Germanium Dioxide?
Germanium Dioxide has a molar mass of 104.64 g/mol.
What state is Germanium Dioxide at room temperature?
Germanium Dioxide is a solid at room temperature.
Is Germanium Dioxide organic or inorganic?
Germanium Dioxide is classified as an inorganic compound.
What elements make up Germanium Dioxide?
Germanium Dioxide (GeO₂) is composed of Oxygen (O), Germanium (Ge).