Nomenclature
CAS number: 10028-18-9
Nickel difluoride; nickelous fluoride.
F
2Ni; mol wt 96.69.
F 39.30%, Ni 60.70%.
NiF
2.
Description and references
Prepn: Henkel, Klemm, Z. Anorg. Allg. Chem. 222, 74 (1935); Priest, Inorg. Synth. 3, 173 (1950); Rochow,
Kukin, J. Am. Chem. Soc. 74, 1615 (1952); Haendler et al., ibid. 3167. Book: Medical and Biologic Effects
of Environmental Pollutants: Nickel (National Acad. Sci.,
Washington DC, 1975) 277 pp.
Properties
Yellowish to green tetragonal crystals (rutile
type). d 4.72. Sublimes
in HF stream above 1000°. Slightly sol in water (4 g/100 ml at 25°).
Aq solns are dec by boiling. Insol in alcohol, ether. LD50 i.v. in mice:
130 mg/kg (Nat.
Acad. Sci.).Caution
Chronic exposure may cause mottling
of teeth, changes in bones.