CaI2

ceramic
· CaI2

Calcium iodide (CaI2) is an ionic ceramic compound belonging to the halide family, characterized by its layered crystal structure and moderate mechanical stiffness. While not widely used in traditional structural applications, CaI2 is primarily employed in specialized domains including hygroscopic desiccants, X-ray imaging scintillators, and emerging two-dimensional materials research; its notable layered structure and exfoliation behavior make it a candidate material for nanosheet production and thin-film device applications in advanced electronics and photonics.

X-ray scintillatorshygroscopic desiccantstwo-dimensional materials researchlayered nanosheet productionspecialized ceramics

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
2,152.4
ksi
Exfoliation Energy(Eexf)
82.42
meV/atom
Poisson's Ratio(ν)
0.2700
-
Shear Modulus(G)
1,269.1
ksi
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
0.1464
lb/in³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)2 entries
5.980
eV
3.446
eV
Dielectric Constant (Relative Permittivity)(εr)
6.805
-
Magnetic Moment(μB)
0.000
µB
Piezoelectric Modulus(eij)
0.000
C/m²
Seebeck Coefficient(S)
-302.3
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
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.000
eV/atom
Formation Energy(ΔHf)2 entries
-1.855
eV/atom
-1.716
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.