KRb2CrF6

metal
· JVASP-25843· KRb2CrF6

KRb₂CrF₆ is a complex fluoride compound containing potassium, rubidium, and chromium—a member of the elpasolite family of halide materials known for high ionic conductivity and chemical stability. This is primarily a research and materials science compound rather than a mainstream engineering material; it has been investigated for solid-state ionic conductor applications and as a precursor for specialized optical or electrochemical devices. The combination of alkali metals with chromium fluoride creates a crystalline structure of interest in fundamental studies of ionic transport and fluoride ion conductivity, making it relevant to researchers developing next-generation solid electrolytes or chemically inert host materials.

Solid-state ionic conductors (research)Fluoride electrolytesOptical materials developmentChemical corrosion-resistant coatingsLaboratory/experimental synthesis

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Bulk Modulus(K)
6,309.1
ksi—
Poisson's Ratio(ν)
0.3000
-—
Shear Modulus(G)
3,341.7
ksi—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
0.1310
lb/in³—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
2.395
eV—
Magnetic Moment(μB)
3.000
µB—
Seebeck Coefficient(S)
-369.4
µV/K—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.000
eV/atom—
Formation Energy(ΔHf)
-2.995
eV/atom—
Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Export Control

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.