Sodium chloride (NaCl) is an ionic ceramic compound with a rock-salt crystal structure, characterized by strong electrostatic bonding between sodium and chloride ions. It is widely used in de-icing applications, chemical processing, food preservation, and laboratory settings, where its low cost, abundance, and solubility in water make it the preferred choice over synthetic alternatives. In engineering contexts, NaCl serves specialized roles in thermal energy storage systems, salt-based heat transfer fluids, and as a raw material feedstock for chlor-alkali processes that produce chlorine and caustic soda.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)3 entries | 3,276.5 | ksi | DFT | ||
| ↳ | 4,346.8 | ksi | DFT · OptB88vdW | ||
| ↳ | 3,276.5 | ksi | DFT · PBE | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | DFT · PBE | ||
Elastic Anisotropy(AU) | 0.1667 | - | DFT · PBE | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | ksi | DFT · PBE | ||
Poisson's Ratio(ν)2 entries | 0.3900 | - | DFT · OptB88vdW | ||
| ↳ | 0.2390 | - | DFT · PBE | ||
Shear Modulus(G)3 entries | 2,070.4 | ksi | DFT | ||
| ↳ | 2,355.4 | ksi | DFT · OptB88vdW | ||
| ↳ | 2,070.4 | ksi | DFT · PBE |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.08479 | lb/in³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)3 entries | 8.500 | eV | Measured | ||
| ↳ | 5.321 | eV | DFT · OptB88vdW | ||
| ↳ | 8.251 | eV | DFT · TBmBJ | ||
Dielectric Constant (Relative Permittivity)(εr) | 13.78 | - | DFT · OptB88vdW | ||
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries | 2.729 | - | DFT · OptB88vdW | ||
| ↳ | 2.235 | - | DFT · TBmBJ | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.000809 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.00162 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -114.7 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 454.5 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Spectroscopic Limited Maximum Efficiency (SLME)(SLME) | 0.000 | % | DFT · TBmBJ |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.1493 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf)2 entries | -1.787 | eV/atom | DFT · OptB88vdW | ||
| ↳ | -2.131 | eV/atom | Measured |
Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data