Periodic table of elements

Ammonium fluoride [NH4F]

SOLUBILITY:
ammonia liquid [NH3]: insoluble
acetone [(CH3)2CO]: 0,01 (25°)
water [H2O]: 71,9 (0°), 74,1 (10°), 82,6 (20°), 88,8 (30°), 111 (60°), 118 (80°), dimethyl sulfoxide [(CH3)2SO]: 0,11 (25°)
methanol [CH3OH]: 2,88 (25°)
fluorine hydride [HF]: 36,8 (-20°), 95,3 (25°)
ethanol [C2H5OH]: 1,75 (25°)

PROPERTIES:
colourless hexagonal crystals
M (molar mass): 37,040 g/mol
ТDT (decomposing temperature): 168 °C
Decomp. to (names of the decomposition products): аммония гидрофторид, аммиак
D (density): 1,01 (25°, g/cm3, s.)
ΔH°298 (Standard molar enthalpy of reaction at 298 К): -463,6 (s) kJ/mol
ΔG°298 (standard molar Gibbs energy of reaction at 298 К): -348,4 (s) kJ/mol
298 (standard molar entropy at 298 К): 71,96 (s) J/(mol•К)
p (standard molar heat capacity): 65,27 (s) J/(mol•К)
LD50 (median lethal doses for laboratory animals): 31 (rats, i/p) mg/kg

LITERARY REFERENCES:
• Ftoridy ammoniya. - M., 1988. – P. 8-28
• Himicheskiy enciklopedicheskiy slovar'. - pod red. Knunyanc I.L. - M.: Sovetstkaya enciklopediya, 1983. – P. 44
• Lewis R.J. Sax’s Dangerous Properties of Industrial Materials. - 11ed. - Wiley-interscience, 2004. – P. 234
• Patnaik P. Handbook of inorganic chemicals. - McGrawHill, 2003. – P. 35-37
• Rabinovich V.A., Havin Z.Ya. Kratkiy himicheskiy spravochnik. - L.: Himiya, 1977. – P. 54
• Uspehi himii. - 1984. - T.53, №9.. – P. 1463-1492

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