Properties: It is a white powder, relative density is 4.89. The melting point is 1355 and the boiling point is 2260. It is insoluble in water, slightly soluble in hydrofluoric acid and ammonium chloride aqueous solution. It is toxic and may store in glass container.

Specification: (%)
High-grade First-grade
BaF2 99.0 min 98.0 min
Free acid (HF) 0.05 max 0.2 max
S 0.1 max 0.1 max
P 0.005max 0.01 max
Pb 0.005max 0.01 max
Hg 0.001max 0.001max
H2O 0.15 max 0.15 max