Nomenclature
CAS number: 7783-49-5
F
2Zn; mol wt 103.41.
F 36.74%, Zn 63.25%.
ZnF
2.
Description and references
Prepd from ZnCO3 and HF: Ruff, Die Chemie des Fluors (Berlin, 1920) p 36;
Emeleus in Fluorine Chemistry vol. 1, J. H. Simons, Ed. (Academic Press, New York, 1950)
p 38; Kwasnik in Handbook of Preparative Inorganic
Chemistry vol. 1, G. Brauer, Ed. (Academic
Press, New York, 2nd ed., 1963) p 242.
Properties
Tetragonal needles (rutile lattice) or white cryst
mass. d25 5.00: Haendler et al., J. Am. Chem.
Soc. 74, 3167 (1952). mp 872°. bp 1500°. Soly in water: 5 × 105 moles/l, Kwasnik, loc. cit. Slightly sol in aq HF, more
sol in HCl, HNO3, NH4OH. Zinc fluoride used
for fluorinations should be slightly hydrated.Derivative
Tetrahydrate.
Properties
Rhombohedral crystals, becomes anhydr at 100°.
Soly in water: 1.516 g/100 ml. May be stored in glass bottles.Use
In the fluorination of organic compds, manuf phosphors
for fluorescent electric lights, glazes and enamels for porcelain,
preserving wood, in electroplating baths.