BeSO4
ceramic· BeSO4
Beryllium sulfate (BeSO₄) is an inorganic ceramic compound combining beryllium oxide chemistry with sulfate bonding, creating a rigid crystalline material. It appears primarily in research and specialized industrial contexts rather than mainstream engineering applications, with interest driven by beryllium's exceptional stiffness-to-weight ratio and the sulfate's chemical stability. Engineers consider beryllium compounds where extreme rigidity, thermal stability, or neutron transparency is critical, though practical use remains limited due to beryllium's toxicity concerns, cost, and the availability of alternative ceramics for most applications.
aerospace structural researchnuclear/neutron moderator applicationshigh-stiffness composite reinforcementspecialty optics and windowsthermal management researchmaterials science investigation
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 5,803 | ksi | — | ||
Poisson's Ratio(ν) | 0.1300 | - | — | ||
Shear Modulus(G) | 5,481 | ksi | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.09010 | lb/in³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 7.303 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)2 entries | 4.721 | - | — | ||
| ↳ | 3.378 range 2.404–4.352median of 2 measurements | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij)2 entries | 0.04210 | C/m² | — | ||
| ↳ | 0.4177 | C/m² | — | ||
Piezoelectric Stress Tensor(eij) | Matrix (redacted) | C/m² | — | ||
Seebeck Coefficient(S) | -141.7 | µV/K | — |
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.
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -2.039 | eV/atom | — | ||
| ↳ | -1.927 | eV/atom | — |
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.
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.