Al2S3O12 — Properties & Data | MatWorld

Al2S3O12

Name: Al2S3O12
Brand: MatWorld

ceramic

· JVASP-20997· Al2S3O12

Al2S3O12 is an alumina-based mixed oxide-sulfide ceramic compound that combines aluminum oxide and sulfide phases. This material belongs to the family of complex ceramic oxides and represents a research-phase compound rather than an established commercial ceramic; its potential lies in applications requiring thermal stability, chemical resistance, or specialized electrical properties that benefit from the hybrid oxide-sulfide structure. Engineers would consider this material primarily in advanced ceramics development for corrosive environments, refractory applications, or functional ceramics where the sulfide component provides enhanced performance over pure alumina alternatives.

advanced refractory ceramicscorrosion-resistant coatingsexperimental high-temperature materialschemical process equipmentresearch compound developmentspecialized ceramic composites

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	2.815	kg/m³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	6.608	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	2.677	-	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00102	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000272	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-150.9	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	424.4	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)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.940	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.

Al2S3O12

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental