MgCr4O8 — Properties & Data | MatWorld

MgCr4O8

ceramic

· JVASP-10610· MgCr4O8

MgCr4O8 is a magnesium chromium oxide ceramic compound belonging to the spinel family of mixed-metal oxides. This material is primarily of interest in high-temperature applications and catalytic systems where chromium-containing oxides provide thermal stability and chemical resistance. It represents a niche research material rather than a mainstream engineering ceramic; its selection would typically be driven by specific requirements for thermal management in aggressive chemical environments or specialized catalyst support applications where the magnesium-chromium combination offers advantages over conventional alumina or silicate alternatives.

high-temperature refractory applicationscatalytic supportschemical process equipmentthermal barrier coatings (research)corrosion-resistant components

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	4.236	kg/m³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	DFT · OptB88vdW
↳	0.00300	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)	160	-	DFT · TBmBJ
Magnetic Moment(μB)	4.103	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000280	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000269	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	35.52	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	34.62	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	5.840	%	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)	0.1184	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.157	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.

MgCr4O8

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental