K2MoO4

potassium molybdate · potassium molybdate(VI)

Potassium molybdate is a stable, insulating inorganic salt primarily used as a chemical precursor and reagent.

KMoO
Crystal structure of K2MoO4
Ground-state structure · Materials Project
Overview

About potassium molybdate

Potassium molybdate is a stable inorganic salt that exists as a wide-gap insulator. Its structural integrity is well-documented, with multiple reported configurations that confirm its robust nature within the chemical landscape.

This compound serves as a critical precursor in the synthesis of various molybdenum-based materials. Due to its insulating properties and stability, it is frequently utilized in industrial chemical processes and as a specialized reagent in laboratory research.

At a glance

Key Properties

Cross-validated computational properties for potassium molybdate, aggregated across 3 databases.

Band Gap

4.32 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
Synthesis

Synthesis Routes

Literature-extracted synthesis procedures targeting K2MoO4.

Solid State
Procedure available · ceder_solid_state
Solid State
Procedure available · ceder_solid_state
Uses

Applications

Where potassium molybdate is used.

Corrosion inhibitionChemical synthesisLaboratory reagentCatalyst precursor
Reference

Frequently Asked Questions

Common questions about potassium molybdate, answered from cross-validated data.

What is K2MoO4?

Potassium molybdate is a stable, insulating inorganic salt primarily used as a chemical precursor and reagent.

More questions
What is K2MoO4 used for?
potassium molybdate (K2MoO4) is used in corrosion inhibition, chemical synthesis, laboratory reagent, and catalyst precursor.
What is the band gap of K2MoO4?
potassium molybdate (K2MoO4) has a DFT-computed band gap of 4.32 eV across 5 reported structures.
Is K2MoO4 a metal, semiconductor, or insulator?
With a wide band gap up to 4.32 eV it is an insulator / wide-band-gap material.
Is K2MoO4 thermodynamically stable?
Yes — potassium molybdate (K2MoO4) sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of K2MoO4 are known?
5 structures of K2MoO4 are reported across 3 databases, spanning 1 distinct space group.
How is K2MoO4 synthesized?
Literature-reported routes for K2MoO4 include solid state (2 procedures documented).
What elements does K2MoO4 contain?
potassium molybdate (K2MoO4) contains K, Mo, and O (3 elements).
Where does the data for K2MoO4 come from?
K2MoO4 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a standalone representative of its class, potassium molybdate functions as a foundational inorganic salt. Its position on the convex hull highlights its thermodynamic favorability, making it a reliable starting point for high-performance chemical applications compared to less stable molybdenum-containing compounds.

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

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