Mg3H4O5 — Properties & Data | MatWorld

Mg3H4O5

ceramic

· JVASP-13096· Mg3H4O5

Mg3H4O5 is an inorganic ceramic compound containing magnesium, hydrogen, and oxygen—likely a magnesium hydroxide or hydrated magnesium oxide variant. This material family is primarily of research interest rather than established commercial production, with potential applications in lightweight structural composites, thermal management systems, and advanced refractory materials where magnesium-based ceramics offer low density combined with chemical stability. Engineers would consider magnesium ceramic hydrates for weight-critical aerospace or automotive applications, or for specialized high-temperature environments where conventional oxides are insufficient, though material consistency and manufacturing scalability remain active areas of development.

Research ceramic compoundLightweight structural compositesThermal management systemsRefractory materialsAerospace applications (research phase)High-temperature ceramics (development)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	67.24	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2200	-	DFT · OptB88vdW
Shear Modulus(G)	46.79	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	2.575	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	4.096	eV	DFT · OptB88vdW
↳	6.233	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	2.734	-	DFT · OptB88vdW
↳	2.214	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000623	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000998	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-105	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	307.3	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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.02060	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.025	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.

Mg3H4O5

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental