Mg3Si2H4O9 — Properties & Data | MatWorld

Mg3Si2H4O9

ceramic

· JVASP-60632· Mg3Si2H4O9

Mg3Si2H4O9 is a hydrated magnesium silicate ceramic compound belonging to the family of layered silicate minerals, similar to natural clay minerals and synthetic phyllosilicates. This material is primarily of research interest for applications requiring lightweight ceramics with moderate stiffness; it appears in literature contexts involving magnesium-based composites, bioceramics, and environmental remediation rather than as an established industrial commodity. The hydrated structure and magnesium content make it potentially attractive for biocompatible applications or thermal/acoustic insulation, though it remains less established than conventional magnesium oxide ceramics or alumina-based alternatives in mainstream engineering practice.

biomedical ceramics (research)lightweight structural componentsthermal insulationclay-mineral compositesenvironmental remediationrefractory materials (experimental)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	84.19	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3000	-	DFT · OptB88vdW
Shear Modulus(G)	47.15	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	2.546	kg/m³	DFT · OptB88vdW

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

Filter by

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	4.406	eV	DFT · OptB88vdW
Dielectric Constant (Relative Permittivity)(εr)	6.159	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	2.584	-	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.1406	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000726	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00122	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-116.9	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	419.8	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

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)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.379	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.

Mg3Si2H4O9

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental