K4CO4 — Properties & Data | MatWorld

K4CO4

ceramic

· JVASP-87220· K4CO4

K4CO4 is a potassium carbonate-based ceramic compound that belongs to the alkali carbonate ceramic family. While not a widely commercialized engineering material, potassium carbonate ceramics are primarily investigated for applications requiring chemical reactivity, thermal stability, or specialized electrical properties in research and niche industrial settings. This material would be of interest to engineers working with molten salt systems, advanced ceramics, or chemical processing where alkali carbonates provide unique advantages over conventional oxides or silicates.

Molten salt thermal storageChemical processing catalystsHigh-temperature corrosion resistanceAdvanced ceramics researchElectrolyte componentsLaboratory and experimental applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	28.44	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3700	-	DFT · OptB88vdW
Shear Modulus(G)	7.930	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	2.651	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	3.677	eV	DFT · OptB88vdW
↳	6.482	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	11.74	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	2.933	-	DFT · OptB88vdW
↳	2.460	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.1967	C/m²	DFT · OptB88vdW
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.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.2731	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.419	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.

K4CO4

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental