MnHg — Properties & Data | MatWorld

MnHg

metal

· JVASP-20631· MnHg

MnHg is an intermetallic compound combining manganese and mercury, belonging to the family of mercury-based metallic systems. This material is primarily of research and specialized industrial interest rather than a mainstream engineering material; it appears in applications requiring specific magnetic or electrical properties that leverage the unique interaction between manganese's magnetic character and mercury's exceptional conductivity. MnHg and related mercury intermetallics have historical use in laboratory instrumentation, specialized electrical contacts, and mercury-wetted switching devices, though modern environmental and toxicity regulations have significantly limited new applications.

mercury-based intermetallics (research)electrical contacts and relaysmagnetic property researchobsolete/legacy industrial equipmentmaterials science study

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	75.70	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3700	-	DFT · OptB88vdW
Shear Modulus(G)	35.58	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	11.74	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	DFT · OptB88vdW
↳	0.000	eV	DFT · TBmBJ
Magnetic Moment(μB)	3.801	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00138	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00133	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	17.06	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	16.71	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.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.5675	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	0.5675	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

Export Control

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.

MnHg

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control