Mn2Al4Si5O18 — Properties & Data | MatWorld

Mn2Al4Si5O18

ceramic

· JVASP-23245· Mn2Al4Si5O18

Mn2Al4Si5O18 is an aluminosilicate ceramic compound containing manganese as a constituent phase, belonging to the family of mixed-metal silicates. This material is primarily investigated in research contexts for applications requiring thermal stability and structural integrity at moderate to high temperatures, particularly in systems where manganese incorporation provides tailored electrical or magnetic properties distinct from conventional feldspars or other industrial aluminosilicates. Its use is more common in specialized refractory, electronic ceramic, or pigment formulations rather than broad commodity applications, making it relevant for engineers designing high-performance composite matrices or functional ceramics in niche industrial segments.

refractory compositionselectronic ceramicsthermal barrier coatingsceramic matrix compositesresearch/specialty applicationspigmentation systems

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.09877	lb/in³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000136	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000129	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	67.51	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	64.82	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)	0.1712	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.682	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.

Mn2Al4Si5O18

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental