MgAl2S4
metal· JVASP-94930· MgAl2S4
MgAl₂S₄ is a ternary magnesium-aluminum sulfide compound that belongs to the thiospinel family of ceramic materials. This material is primarily of research and developmental interest rather than a widespread commercial product, with potential applications in solid-state electrolytes, optical materials, and high-temperature ceramics where sulfide-based compounds offer chemical stability and thermal properties distinct from oxide counterparts. Engineers would consider this class of material when conventional oxides are unsuitable due to moisture sensitivity or when the sulfide's crystal structure offers advantages in ionic conduction or electronic properties.
solid-state battery electrolytesoptical/photonic materials (research phase)high-temperature ceramicsionic conductor systemssemiconductor researchcorrosion-resistant coatings (experimental)
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | — | ksi | — | — | |
Poisson's Ratio(ν) | — | - | — | — | |
Shear Modulus(G) | — | ksi | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | — | lb/in³ | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | — | eV | — | — | |
Dielectric Constant (Relative Permittivity)(εr) | — | - | — | — | |
Magnetic Moment(μB) | — | µB | — | — | |
Piezoelectric Modulus(eij) | — | C/m² | — | — | |
Seebeck Coefficient(S) | — | µV/K | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | — | eV/atom | — | — | |
Formation Energy(ΔHf) | — | eV/atom | — | — |
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.