Mg5H8O9 — Properties & Data | MatWorld

Mg5H8O9

ceramic

· JVASP-30085· Mg5H8O9

Mg5H8O9 is a magnesium hydroxide-based ceramic compound belonging to the family of magnesium oxide hydrates. This material is primarily of research and developmental interest rather than established in widespread industrial use, with potential applications in lightweight structural composites, fire-retardant coatings, and biocompatible ceramic matrices where magnesium's bioabsorption properties are advantageous. Engineers consider magnesium ceramics as alternatives to conventional oxides when weight reduction, thermal management, or biodegradability are design drivers, though processing and long-term stability remain active areas of investigation.

research ceramicslightweight compositesfire-retardant fillersbiomedical scaffoldsthermal management compositesexperimental structural materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	64.19	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2100	-	DFT · OptB88vdW
Shear Modulus(G)	45.23	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	2.491	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	4.094	eV	DFT · OptB88vdW
↳	6.225	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	2.684	-	DFT · OptB88vdW
↳	2.174	-	DFT · TBmBJ
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)	0.01210	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.943	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.

Mg5H8O9

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental