MnCl2 — Properties & Data | MatWorld

MnCl2

Name: MnCl2
Brand: MatWorld

metal

· MnCl2

Manganese chloride (MnCl₂) is an inorganic salt compound containing manganese in the +2 oxidation state, typically available as a dihydrate or anhydrous powder. While not a structural engineering material in the traditional sense, MnCl₂ serves as a precursor and additive in specialty applications, particularly in electrochemistry, catalysis, and materials synthesis where manganese chemistry is exploited for functional properties.

battery electrolyte additiveelectrochemical catalysispigment and dye synthesislaboratory reagentmanganese oxide precursormetal surface treatment

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	20.27	GPa	DFT · OptB88vdW
Exfoliation Energy(Eexf)	67.52	meV/atom	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2300	-	DFT · OptB88vdW
Shear Modulus(G)	13.18	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	3.070	kg/m³	DFT · OptB88vdW

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

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	1.553	eV	DFT · OptB88vdW
Dielectric Constant (Relative Permittivity)(εr)	420.2	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	26.95	-	DFT · OptB88vdW
Magnetic Moment(μB)	5.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00152	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00153	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-324.6	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	440.2	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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Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-1.061	eV/atom	DFT · OptB88vdW
↳	-1.662	eV/atom	Measured

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

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

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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.

MnCl2

Mechanical Properties

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Electrical Properties

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