Calcium carbide (CaC₂) is an inorganic ceramic compound that serves primarily as a chemical precursor rather than a structural engineering material. It is most widely used in acetylene gas generation for welding and cutting torches, and as a raw material in the synthesis of cyanamide and other nitrogen-containing chemicals. Engineers select calcium carbide for applications where its reactivity with water to produce acetylene is essential, or where its role as an intermediate in chemical manufacturing justifies its use despite its brittleness and moisture sensitivity.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)2 entries | 8,420.9 | ksi | — | ||
| ↳ | 7,930.3 range 7,741.9–8,118.7median of 2 measurements | ksi | — | ||
Poisson's Ratio(ν) | 0.3600 | - | — | ||
Shear Modulus(G)2 entries | 3,810.1 | ksi | — | ||
| ↳ | 2,506.1 range 2,207.6–2,804.5median of 2 measurements | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.09960 | lb/in³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 9.451 | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | — | ||
Seebeck Coefficient(S) | -171.9 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.07540 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -0.2052 | eV/atom | — | ||
| ↳ | -0.1125 | eV/atom | — |