NaBF4

ceramic
· NaBF4

Sodium tetrafluoroborate (NaBF₄) is an ionic ceramic compound used primarily as an electrolyte and flux material in high-temperature electrochemical and metallurgical processes. It is valued in industrial applications requiring thermal stability and ionic conductivity, particularly in molten salt environments where conventional materials degrade. Engineers select NaBF₄ over alternative fluoride salts when the combination of thermal stability, low hygroscopicity, and chemical inertness is critical to process efficiency or product quality.

molten salt electrolytesaluminum smelting fluxelectroplating processesthermal energy storagehigh-temperature batteriesmetallurgical refining

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
4,306.2
ksi
Poisson's Ratio(ν)
0.2900
-
Shear Modulus(G)
2,612.1
ksi
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
0.09296
lb/in³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
8.350
eV
Dielectric Constant (Relative Permittivity)(εr)
4.599
-
Magnetic Moment(μB)
0.000
µB
Piezoelectric Modulus(eij)
0.000
C/m²
Seebeck Coefficient(S)
-173.8
µV/K
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.000
eV/atom
Formation Energy(ΔHf)2 entries
-3.186
eV/atom
-3.058
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.
NaBF4 — Properties & Data | MatWorld