CaH2
ceramic· CaH2
Calcium hydride (CaH₂) is an inorganic ceramic compound and strong reducing agent commonly encountered in chemical processing and materials synthesis applications. It is primarily used as a desiccant for removing moisture from organic solvents and gases, and as a reducing agent in metallurgical and chemical manufacturing where its vigorous reaction with water is exploited to generate hydrogen gas or facilitate reduction reactions. Engineers select CaH₂ for specialized applications requiring potent drying or reducing capability in anhydrous environments, though its highly reactive nature and moisture sensitivity require careful handling and containment protocols.
desiccant for solvent purificationhydrogen generationmetallurgical reducing agentchemical synthesislaboratory reagentanhydrous processing
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 7,782.7 | ksi | — | ||
Poisson's Ratio(ν) | 0.2400 | - | — | ||
Shear Modulus(G) | 4,883.4 | ksi | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.07590 | lb/in³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.8960 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)2 entries | 11.58 | - | — | ||
| ↳ | 56.60 | - | — | ||
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) | -234.3 | µV/K | — |
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.06240 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -0.6000 | eV/atom | — | ||
| ↳ | -0.6233 | eV/atom | — |
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
Regulatory Screening
Environmental
RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.