Sodium germanate

Sodium germanate

Names
Other names sodium metagermanate disodium germanium trioxide
Identifiers
CAS Number	12025-19-3 Y
EC Number	234-703-0
Jmol 3D model	Interactive image
PubChem	13783481
InChI InChI=1S/GeO3.2Na/c2-1(3)4;;/q-2;2*+1 Key: FNIHDXPFFIOGKL-UHFFFAOYSA-N
SMILES [O-][Ge](=O)[O-].[Na+].[Na+]
Properties
Chemical formula	Na2GeO3
Molar mass	166.62 g/mol
Appearance	white crystals
Odor	odorless
Density	3.31 g/cm3
Melting point	1,060 °C (1,940 °F; 1,330 K)
Solubility in water	14.4 g/100 mL (0 °C) 23.8 g/100 mL (25 °C)
Refractive index (nD)	1.59
Structure
Crystal structure	orthorhombic
Vapor pressure	{{{value}}}
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Sodium germanate (Na₂GeO₃) is a colorless solid chemical compound.

Preparation

Sodium germanate can be preparted by the fusion of germanium oxide with sodium oxide at high temperatures.

Structure

Na₂GeO₃ contains polymeric GeO₃²⁻ anions made up of vertex sharing {GeO₄} tetrahedra.

Uses

Sodium germanate is primarily used for the synthesis of other germanium compounds.

See also

• Germanate