Mercury(II) chloride (HgCl2) is an inorganic salt compound classified as a ceramic material, consisting of mercury and chlorine in a 1:2 stoichiometric ratio. Historically used in pharmaceutical and laboratory applications, HgCl2 has been employed in disinfectants, fungicides, and analytical chemistry due to its antimicrobial properties, though its use has declined significantly in modern practice due to mercury toxicity concerns and regulatory restrictions. Contemporary engineering interest is primarily academic and materials-research focused, exploring its solid-state properties and crystal structure rather than new industrial applications.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 15.36 | GPa | — | ||
Exfoliation Energy(Eexf) | 196.3 | meV/atom | — | ||
Poisson's Ratio(ν) | 0.3600 | - | — | ||
Shear Modulus(G) | 6.030 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 5.467 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 4.450 | eV | — | ||
| ↳ | 2.659 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)2 entries | 5.140 | - | — | ||
| ↳ | 8.254 | - | — | ||
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) | -126.1 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -0.7949 | eV/atom | — | ||
| ↳ | -0.4894 | eV/atom | — |