Periodic table of elements

Magnesium fluoride [MgF2]

SOLUBILITY:
water [H2O]: 0,0076 (18°)
fluorine hydride [HF]: 0,033 (-23°), 0,025 (-3,3°), 0,025 (12,2°)
ethanol [C2H5OH]: insoluble

PROPERTIES:
colourless tetragonal crystals
M (molar mass): 62,300 g/mol
MP (melting point): 1263 °C
BP (boiling point): 2250 °C
D (density): 3,13 (20°, g/cm3, s.)
ΔHmelt (molar enthalpy of melting): 58,2 kJ/mol
ΔHboil (molar enthalpy of boiling): 272 kJ/mol
ΔH°298 (Standard molar enthalpy of reaction at 298 К): -737 (g) kJ/mol
ΔG°298 (standard molar Gibbs energy of reaction at 298 К): -1071 (s) kJ/mol
298 (standard molar entropy at 298 К): 247 (g) J/(mol•К)
p (standard molar heat capacity): 52,3 (g) J/(mol•К)
P (vapor pressure): 10 (1641°), 100 (1917°) Mmhg or Torr
LD50 (median lethal doses for laboratory animals): 2330 (rats, i/g) mg/kg
pSP (solubility product index): 8,2 (20°, water)

LITERARY REFERENCES:
• Spravochnik po rastvorimosti. - T.1, Kn.1. - M.-L.: IAN SSSR, 1961. – P. 25
• Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1 - New York: D. Van Nostrand Company, 1940. – P. 970
• Efimov A.I. i dr. Svoystva neorganicheskih soedineniy. Spravochnik. - L.: Himiya, 1983. – P. 152-153
• Rabinovich V.A., Havin Z.Ya. Kratkiy himicheskiy spravochnik. - L.: Himiya, 1977. – P. 78

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