MnS

metal

· MnS

Manganese sulfide (MnS) is an inorganic ceramic compound belonging to the rock salt family of transition metal chalcogenides, characterized by strong ionic bonding between Mn²⁺ and S²⁻ ions. It appears primarily in metallurgical applications as a desulfurizer and inclusion modifier in steel production, where it reduces brittleness by controlling sulfide morphology during casting. MnS is also investigated in semiconductor and thermoelectric research due to its narrow bandgap properties, making it relevant for emerging applications in optoelectronics and solid-state energy conversion, though commercial use remains concentrated in iron and steel manufacturing.

steel desulfurizationmetallurgical processinginclusion control in castingssemiconductor researchthermoelectric devicesiron-based alloy additives

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)2 entries	55.93	GPa	—
↳	31.12	GPa	—
Poisson's Ratio(ν)	0.2500	-	—
Shear Modulus(G)2 entries	39.34	GPa	—
↳	18.71	GPa	—

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
Density(ρ)	3.266	kg/m³	—

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Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	—
↳	0.000	eV	—
Magnetic Moment(μB)	9.857	µB	—
Seebeck Coefficient(S)	8.423	µV/K	—

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
Energy Above Hull(ΔEhull)	0.06770	eV/atom	—
Formation Energy(ΔHf)2 entries	-1.110	eV/atom	—
↳	-0.4511	eV/atom	—

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

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.

MnS

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control