Periodic table of elements

Calcium fluoride [CaF2]

SOLUBILITY:
acetone [(CH3)2CO]: ?.?.
water [H2O]: 0,0013 (0), 0,0015 (15), 0,0016 (18), 0,0016 (25), 0,0017 (40)
bromine trifluoride [BrF3]: 0,017 (25), ?.?. (70)
fluorine hydride [HF]: 1,444 (-23), 1,061 (-3,3), 0,817 (12,2)

PROPERTIES:
colourless cubic crystals
M (molar mass): 78,080 g/mol
MP (melting point): 1400 °C
MB (boiling point): 2500 °C
D (density): 3,18 (20, ?/??3, ?.)
ΔHmelt (molar enthalpy of melting): 29,7 kJ/mol
ΔHboil (molar enthalpy of boiling): 305 kJ/mol
ΔH°298 (Standard molar enthalpy of reaction at 298 К): -784 (?) kJ/mol
ΔG°298 (standard molar Gibbs energy of reaction at 298 К): -1161,9 (?) kJ/mol
298 (standard molar entropy at 298 К): 274 (?) J/(mol•К)
p (standard molar heat capacity): 51 (?) J/(mol•К)
P (vapor pressure): 1 (1625), 10 (1850) Mmhg or Torr
LD50 (median lethal doses for laboratory animals): 4417 (?????, ?/?) mg/kg
n (refractive index): 1,434 (20)
pSP (solubility product index): 10,4 (20, ????)

LITERARY REFERENCES:
• ?????????? ?? ?????????????. - ?.1, ??.1. - ?.-?.: ??? ????, 1961. – P. 244
• ?????????? ????????????. - ?.5. - ?.: ????????? ????????????, 1999. – P. 111
• Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1 - New York: D. Van Nostrand Company, 1940. – P. 296-297
• ?????? ?.?. ? ??. ???????? ?????????????? ??????????. ??????????. - ?.: ?????, 1983. – P. 140-141
• ????????? ?.?., ????? ?.?. ??????? ?????????? ??????????. - ?.: ?????, 1977. – P. 72

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