H₂CO₃ (carbonic acid) is an unstable weak acid that exists primarily in aqueous solution, formed when carbon dioxide dissolves in water; it is not typically used as a bulk structural ceramic material in engineering applications. While carbonic acid and its salts (carbonates) are fundamental to numerous industrial and natural processes, H₂CO₃ itself is not employed as an engineered ceramic component due to its instability and tendency to decompose into CO₂ and water. Its relevance to materials engineering lies mainly in understanding carbonate chemistry, corrosion mechanisms in aqueous environments, and as a precursor for carbonate ceramics and minerals rather than as a standalone material for structural design.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 1.770 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 5.942 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 6.103 | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | — | ||
Seebeck Coefficient(S) | -349.2 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.01290 | eV/atom | — | ||
Formation Energy(ΔHf) | -1.144 | eV/atom | — |