Nomenclature
CAS number: 7782-64-1
Manganous fluoride; manganese fluoride.
F
2Mn; mol wt 92.93.
F 40.89%, Mn 59.12%.
MnF
2.
Description and references
Prepd from manganese carbonate and hydrogen
fluoride: Moissan, Venturi, Compt. Rend. 130, 1158 (1900); Kwasnik in Handbook of Preparative Inorganic Chemistry Vol.
1, G. Brauer, Ed. (Academic Press, New York, 2nd ed., 1963)
pp 262-263. Review of toxicology of fluoride compounds: G. L Waldbott, Acta Med. Scand. Suppl. 400, 1-44
(1963).
Properties
Pink, quadratic prisms (tetragonal structure,
rutile type) or reddish powder. Poisonous. d 3.98. mp 856°. Soly in water (g/100 ml): 0.66 (40°); 0.44 (60°); 0.48 (100°).
Insol in alc. Sol in dil hydrofluoric acid, concd hydrochloric or
nitric acid. LD in guinea pigs (mg/kg): 200 orally, 700 s.c. (Waldbott).Derivative
Tetrahydrate.
Properties
Obtained by dissolving manganese carbonate in
hydrofluoric acid, evaporating, and drying in vacuo.