BeS2

ceramic
· JVASP-117698· BeS2

BeS2 is an experimental beryllium sulfide ceramic compound that belongs to the II-VI semiconductor/ceramic material family. While not widely commercialized, beryllium chalcogenides are of research interest for specialized optoelectronic and high-performance ceramic applications due to beryllium's low density and high stiffness combined with sulfide's semiconducting properties. This material would be considered by engineers exploring lightweight, high-stiffness ceramics for niche aerospace, thermal management, or wide-bandgap semiconductor device applications, though its toxicity hazards during handling and processing present significant practical constraints.

research/experimental ceramicswide-bandgap semiconductorslightweight structural ceramicsoptoelectronic substratesaerospace prototype materialsthermal management components

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
37.54
GPa
Poisson's Ratio(ν)
0.3100
-
Shear Modulus(G)
21.15
GPa
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
2.116
kg/m³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
1.351
eV
Magnetic Moment(μB)
0.000
µB
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.2909
eV/atom
Formation Energy(ΔHf)
-0.5661
eV/atom
Verified Unverified Low confidence (<80%) Link to source

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.