MgHg

ceramic

· JVASP-19702· MgHg

MgHg is an intermetallic compound combining magnesium and mercury, classified as a ceramic despite its metallic constituents—a designation reflecting its brittle, non-ductile character and ionic/covalent bonding nature rather than metallic behavior. This material is primarily of research and academic interest rather than established in mainstream industrial production; it belongs to the family of magnesium intermetallics being investigated for specialized applications where extreme hardness and specific stiffness characteristics may offer advantages over conventional metals or ceramics. The compound's practical use remains limited due to mercury's toxicity concerns, cost, and regulatory restrictions, making it relevant mainly to materials science research exploring intermetallic phase diagrams, high-hardness coatings, or niche applications in controlled laboratory and industrial environments.

research and developmentintermetallic phase studiesspecialized coatingshigh-hardness materials researchmaterials characterization

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	7,367.9	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3900	-	DFT · OptB88vdW
Shear Modulus(G)	1,888.4	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.3220	lb/in³	DFT · OptB88vdW

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Filter by

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000203	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000201	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-3.150	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-3.140	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)	0.02110	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.1129	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.

MgHg — Properties & Data | MatWorld

MgHg

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental