Calcium bromide (CaBr₂) is an inorganic salt ceramic compound commonly encountered in ionic crystal form, characterized by its hygroscopic nature and moderate mechanical stiffness. In industrial practice, CaBr₂ serves primarily as a dense brine fluid in oil and gas well completion operations, where it provides high-density drilling and completion fluids without the toxicity concerns of some alternatives. Beyond petroleum applications, it functions as a desiccant, refrigerant medium, and laboratory reagent, making it valuable in scenarios where non-toxic, water-soluble salt solutions are preferred over hazardous organics or other dense brines.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 25.31 | GPa | — | ||
Poisson's Ratio(ν) | 0.3000 | - | — | ||
Shear Modulus(G) | 12.79 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 3.427 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 4.550 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)3 entries | 7.650 | - | — | ||
| ↳ | 7.993 | - | — | ||
| ↳ | 5.426 range 3.318–7.535median of 2 measurements | - | — | ||
Electronic Dielectric Tensor(ε∞) | Matrix (redacted) | - | — | ||
Total Dielectric Tensor(ε) | Matrix (redacted) | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | — | ||
Seebeck Coefficient(S) | -230.9 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.02860 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -2.360 | eV/atom | — | ||
| ↳ | -2.148 | eV/atom | — |