K2MnS2 — Properties & Data | MatWorld

K2MnS2

metal

· K2MnS2

K2MnS2 is an inorganic compound belonging to the metal sulfide family, consisting of potassium, manganese, and sulfur. This material is primarily of research interest rather than established in high-volume industrial production, with potential applications in electrochemistry, battery technology, and catalysis where metal sulfides show promise for energy storage and chemical conversion processes. Engineers considering this compound should recognize it as an exploratory material suitable for laboratory-scale development rather than a mature engineering commodity.

battery cathode materialselectrochemical researchcatalytic applicationsmetal sulfide compoundsenergy storage developmentsolid-state chemistry research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	2.445	kg/m³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.8720	eV	DFT · OptB88vdW
Dielectric Constant (Relative Permittivity)(εr)	9.160	-	DFT · PBE
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Magnetic Moment(μB)	10.00	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000372	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000756	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-297.8	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	293.5	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

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)	-1.067	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

Export Control

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.

K2MnS2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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