Sodium bromide (NaBr) is an ionic ceramic salt with a cubic rock-salt crystal structure, belonging to the halide family of inorganic compounds. It is primarily used in pharmaceutical synthesis, analytical chemistry, and photographic applications, where its optical transparency and chemical stability are valued. In engineering contexts, NaBr serves as a component in specialized windows and lenses for infrared spectroscopy, as well as in drilling fluid formulations for oil and gas operations where its high density and brine compatibility provide density and corrosion resistance.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)3 entries | 27.07 | GPa | — | ||
| ↳ | 27.05 | GPa | — | ||
| ↳ | 22.87 | GPa | — | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | — | ||
Elastic Anisotropy(AU) | 0.1813 | - | — | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | Pa | — | ||
Poisson's Ratio(ν)2 entries | 0.3129 | - | — | ||
| ↳ | 0.2500 | - | — | ||
Shear Modulus(G)3 entries | 11.57 | GPa | — | ||
| ↳ | 11.57 | GPa | — | ||
| ↳ | 14.32 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 3.265 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 7.030 | eV | — | ||
| ↳ | 4.404 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)2 entries | 7.300 | - | — | ||
| ↳ | 6.126 | - | — | ||
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) | -92.02 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.02250 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -1.872 | eV/atom | — | ||
| ↳ | -1.683 | eV/atom | — |