Mg2H2O3

ceramic

· JVASP-8705· Mg2H2O3

Mg2H2O3 is a magnesium hydroxide-based ceramic compound that belongs to the family of hydrated magnesium oxides, a class of materials being investigated for lightweight structural and functional applications. This material is primarily of research interest rather than established in high-volume industrial use, with potential applications in flame-retardant composites, thermal management systems, and advanced ceramic matrices where the combination of low density and moderate mechanical stiffness could provide benefits. The compound's layered crystal structure and low exfoliation energy suggest promise for applications requiring anisotropic properties or layered composite architectures, though further development and scale-up would be needed before widespread engineering adoption.

flame-retardant compositesthermal management materialslightweight ceramic matricesresearch/experimental applicationsmagnesium-based ceramicsstructural fillers

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	10,518.1	ksi	DFT · OptB88vdW
Exfoliation Energy(Eexf)	33.92	meV/atom	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2400	-	DFT · OptB88vdW
Shear Modulus(G)	7,253.3	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.09772	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)3 entries	4.068	eV	DFT · OptB88vdW
↳	6.222	eV	DFT · TBmBJ
↳	5.210	eV	DFT · HSE06
Dielectric Constant (Relative Permittivity)(εr)	9.865	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	2.796	-	DFT · OptB88vdW
↳	2.258	-	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	0.000727	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00129	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-117.7	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	367.9	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)	0.03070	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.156	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.

Mg2H2O3 — Properties & Data | MatWorld

Mg2H2O3

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental