MgS2 — Properties & Data | MatWorld

MgS2

ceramic

· JVASP-101590· MgS2

Magnesium disulfide (MgS₂) is an inorganic ceramic compound belonging to the metal sulfide family, characterized by a layered crystal structure similar to other transition metal dichalcogenides. While primarily of academic and research interest rather than established industrial production, MgS₂ is investigated for potential applications in solid-state energy storage, photocatalysis, and semiconductor devices due to its electronic properties and chemical stability. The material represents an emerging class of earth-abundant alternatives to conventional oxide ceramics and transition metal chalcogenides, with potential relevance in next-generation energy and optoelectronic systems where cost and sustainability drive material selection.

solid-state battery researchphotocatalytic applicationssemiconductor thin filmsexperimental energy storagecatalysis researchelectronic ceramics development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	9,257.8	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3100	-	DFT · OptB88vdW
Shear Modulus(G)	4,165.5	ksi	DFT · OptB88vdW

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Property	Value	Unit	Conditions	Source
Density(ρ)	0.08591	lb/in³	DFT · OptB88vdW

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Filter by

Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.9490	eV	DFT · OptB88vdW
↳	2.122	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	6.675	-	DFT · OptB88vdW
↳	4.659	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	20.37	%	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)	0.1001	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.002	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.

MgS2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental