Sodium cyanide (NaCN) is an ionic ceramic compound classified as a cyanide salt, consisting of sodium cations paired with cyanide anions. While historically used in metallurgical processing (gold and silver extraction, case hardening of steel), modern engineering applications are extremely limited due to its extreme toxicity and environmental hazards; it is primarily encountered in legacy industrial processes or specialized chemical synthesis rather than as a structural or functional engineering material. Engineers would avoid specifying NaCN for new designs in favor of safer alternatives, and its presence in materials databases reflects historical industrial relevance rather than contemporary material selection.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 27.98 | GPa | — | ||
Poisson's Ratio(ν) | 0.3400 | - | — | ||
Shear Modulus(G) | 14.09 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 1.707 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 5.628 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 5.922 | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.1868 | C/m² | — | ||
Seebeck Coefficient(S) | -330.8 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.1803 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -0.3134 | eV/atom | — | ||
| ↳ | -0.3149 | eV/atom | — |