Nomenclature
CAS number: 7783-48-4
F
2Sr; mol wt 125.62.
F 30.25%, Sr 69.75%.
SrF
2.
Description and references
Prepd by dissolving SrCO3 in an
excess of 40% HF and evaporating to dryness: Berzelius, Pogg. Ann. 1, 20 (1824); final
drying should be done at 150° in vacuo.
Properties
White powder or cubic crystals. d 4.24. mp ≈1400°. bp 2460°. Stable in air up to 1000°. Above this temp it
is oxidized to strontium oxide. Heat of evaporation 78.2. Trouton
const 28.6. Soly in water (18°) 11.7 mg/100 ml. More sol in dil
acids. Dec by strong acids. May be stored in glass bottles.