Na2SeO4

Sodium selenate · Disodium selenate

Sodium selenate is a stable, insulating inorganic salt frequently used as a source of selenium in chemical and nutritional applications.

NaOSe
Crystal structure of Na2SeO4
Ground-state structure · Materials Project
Overview

About Sodium selenate

Sodium selenate is a stable inorganic salt that functions as a wide-gap insulator. Its position on the convex hull indicates high thermodynamic stability, making it a reliable chemical species for various industrial and laboratory applications.

As a selenium-containing compound, it is valued for its solubility and reactivity in aqueous environments. It serves as a primary precursor for introducing selenium into biological and chemical systems, benefiting from its well-defined structural characteristics.

At a glance

Key Properties

Cross-validated computational properties for Sodium selenate, aggregated across 3 databases.

Band Gap

3.36 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

5
3 databases, 1 space group
Uses

Applications

Where Sodium selenate is used.

Nutritional supplementsGlass manufacturingAgricultural fertilizersChemical synthesis
Reference

Frequently Asked Questions

Common questions about Sodium selenate, answered from cross-validated data.

What is Na2SeO4?

Sodium selenate is a stable, insulating inorganic salt frequently used as a source of selenium in chemical and nutritional applications.

More questions
What is Na2SeO4 used for?
Sodium selenate (Na2SeO4) is used in nutritional supplements, glass manufacturing, agricultural fertilizers, and chemical synthesis.
What is the band gap of Na2SeO4?
Sodium selenate (Na2SeO4) has a DFT-computed band gap of 3.36 eV across 5 reported structures.
Is Na2SeO4 a metal, semiconductor, or insulator?
With a wide band gap up to 3.36 eV it is an insulator / wide-band-gap material.
Is Na2SeO4 thermodynamically stable?
Yes — Sodium selenate (Na2SeO4) sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of Na2SeO4 are known?
5 structures of Na2SeO4 are reported across 3 databases, spanning 1 distinct space group.
What elements does Na2SeO4 contain?
Sodium selenate (Na2SeO4) contains Na, O, and Se (3 elements).
Where does the data for Na2SeO4 come from?
Na2SeO4 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a standalone representative of its chemical family, sodium selenate serves as a fundamental reference point for selenate-based chemistry. Its stability and insulating nature define the baseline performance for similar alkali metal selenates, highlighting the importance of the sodium cation in stabilizing the selenate polyanion framework.

Data sources & attribution
  • latticegraph — Lattice Graph Materials Intelligence Platform

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