Sodium chloride (NaCl), commonly known as rock salt, is an ionic ceramic compound with a simple cubic crystal structure that exhibits high ionic bonding. While primarily known as table salt, it serves important engineering applications in industries requiring economical ionic materials, deicing systems, and as a raw material in chemical processing—particularly in chlor-alkali production and brine electrolysis for chlorine and caustic soda manufacture. Engineers select NaCl for applications where ionic conductivity in molten or aqueous states is valuable, cost-effectiveness is critical, and moderate mechanical rigidity is acceptable; however, its hygroscopicity and relatively low hardness limit use in demanding structural or wear-resistant applications.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 4,346.3 | ksi | DFT · OptB88vdW | ||
Shear Modulus(G) | 2,355.4 | ksi | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 4.343 | eV | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Formation Energy(ΔHf) | -1.787 | eV/atom | DFT · OptB88vdW |
Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data