MgH2O2 — Properties & Data | MatWorld

MgH2O2

ceramic

· JVASP-4119· MgH2O2

MgH₂O₂ is an experimental ceramic compound combining magnesium hydride with peroxide functionalities, belonging to the broader family of metal hydrides and oxyhydrides under active research for energy storage and catalytic applications. This material remains primarily in the research phase rather than established industrial production, with potential value in hydrogen storage systems, lightweight structural ceramics, and advanced catalytic supports where the combination of magnesium's low density with hydrogen-rich chemistry offers theoretical advantages. Engineers would evaluate this compound for next-generation hydrogen economy applications, though material availability, thermal stability, and manufacturing scalability remain active research questions compared to more mature ceramic alternatives.

hydrogen storage systemslightweight structural ceramicscatalytic supportsenergy storage materialsresearch-phase advanced materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	50.11	GPa	DFT · OptB88vdW
Exfoliation Energy(Eexf)	58.66	meV/atom	DFT · OptB88vdW
Poisson's Ratio(ν)	0.4800	-	DFT · OptB88vdW
Shear Modulus(G)	13.23	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	2.386	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)3 entries	4.636	eV	DFT · OptB88vdW
↳	6.752	eV	DFT · TBmBJ
↳	5.920	eV	DFT · HSE06
Dielectric Constant (Relative Permittivity)(εr)	8.758	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	2.650	-	DFT · OptB88vdW
↳	2.156	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000800	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00132	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-120.1	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	446.9	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.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000100	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.847	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.

MgH2O2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental