KNa3WO5

ceramic

· JVASP-56687· KNa3WO5

KNa3WO5 is an inorganic ceramic compound containing potassium, sodium, and tungsten oxides, representing a mixed-alkali tungstate material. This composition belongs to the family of tungstate ceramics, which are primarily explored in research contexts for potential applications in photocatalysis, ion-exchange materials, and solid-state chemistry. Engineers would consider tungstate-based ceramics when high-temperature stability, chemical inertness, or specific optical/catalytic properties are required, though KNa3WO5 remains largely experimental compared to established commercial tungstate alternatives.

photocatalytic materialsion-exchange applicationshigh-temperature ceramicsresearch/development phasesolid-state chemistryrefractory applications

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1500	lb/in³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	3.698	eV	DFT · OptB88vdW
↳	4.751	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	3.571	-	DFT · OptB88vdW
↳	2.756	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000745	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000402	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-412.2	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	431.2	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	0.000	%	DFT · TBmBJ

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.216	eV/atom	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

Regulatory Screening

Environmental

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.

KNa3WO5 — Properties & Data | MatWorld

KNa3WO5

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental