PrCl3

ceramic
· PrCl3

Praseodymium trichloride (PrCl₃) is an ionic ceramic compound belonging to the rare-earth halide family, composed of praseodymium and chlorine. While primarily a research and specialty material, PrCl₃ is utilized in optical applications (phosphors, laser materials), catalysis, and as a precursor for producing high-purity praseodymium oxides and metals for permanent magnets and electronics. Engineers select rare-earth halides like PrCl₃ when the specific photonic, magnetic, or catalytic properties of praseodymium are required, though availability and cost typically limit use to high-value, performance-critical applications rather than commodity ceramics.

optical phosphors and luminescencelaser host materialscatalytic applicationsrare-earth metal extractionresearch and specialty synthesishigh-tech ceramics manufacturing

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
41.39
GPa
Poisson's Ratio(ν)
0.2800
-
Shear Modulus(G)
21.65
GPa
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
3.982
kg/m³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
4.406
eV
Dielectric Constant (Relative Permittivity)(εr)
9.801
-
Magnetic Moment(μB)
0.000
µB
Piezoelectric Modulus(eij)
0.000
C/m²
Seebeck Coefficient(S)
-261.5
µV/K
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.000
eV/atom
Formation Energy(ΔHf)2 entries
-2.741
eV/atom
-2.425
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.