MgH2S2 — Properties & Data | MatWorld

MgH2S2

ceramic

· JVASP-139050· MgH2S2

MgH2S2 is an experimental ceramic compound combining magnesium hydride with sulfide chemistry, representing an emerging research material in the magnesium-sulfur compound family. While not yet established in mainstream industrial production, this material class is of interest in energy storage research (particularly metal hydride-based hydrogen storage systems) and advanced ceramic applications where magnesium compounds offer lightweight properties combined with chemical functionality. Engineers evaluating this material should note it remains primarily in the research phase; its viability depends on specific synthesis methods, thermal stability, and performance in your intended thermal or chemical environment compared to established alternatives like commercial magnesium ceramics or conventional hydride storage materials.

hydrogen storage researchadvanced ceramics developmentlightweight composite matricesenergy storage systemsexperimental materials characterization

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	7,739.2	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3000	-	DFT · OptB88vdW
Shear Modulus(G)	3,824.6	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.08100	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	3.411	eV	DFT · OptB88vdW
↳	4.508	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	4.604	-	DFT · OptB88vdW
↳	3.707	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	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)	0.1692	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.5717	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.

MgH2S2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental