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Properties of substance:

magnesium nitrate

Group of substances:

inorganic

Physical appearance:

colorless cubic crystals

Empirical formula (Hill's system for organic substances):

MgN2O6

Structural formula as text:

Mg(NO3)2

Molar/atomic mass: 148.32

Melting point (°C):

426

Decomposition temperature (°C):

426

Solubility (g/100 g of solvent):

ammonia liquid : 5 (-40°C) [Ref.]
ammonia liquid : 2.9 (-30°C) [Ref.]
ammonia liquid : 1.2 (-10°C) [Ref.]
ethanol abs.: 1.47 (0°C) [Ref.]
ethanol abs.: 3.07 (20°C) [Ref.]
ethanol abs.: 5.39 (30°C) [Ref.]
ethanol abs.: 10.86 (40°C) [Ref.]
ethanol abs.: 16.53 (50°C) [Ref.]
ethanol abs.: 24.23 (60°C) [Ref.]
ethanol abs.: 34.02 (70°C) [Ref.]
ethanol abs.: 32.63 (80°C) [Ref.]
methanol: 15.7 (10°C) [Ref.]
methanol: 17.3 (20°C) [Ref.]
methanol: 20.9 (30°C) [Ref.]
methanol: 23.3 (40°C) [Ref.]
methanol: 26.9 (50°C) [Ref.]
methanol: 35 (60°C) [Ref.]
nitric acid: 0.2 (25°C) [Ref.]
water: 72.7 (25°C) [Ref.]
water: 106.19 (80°C) [Ref.]

Hygroscopic:

yes

Numerical data:

Bitter taste threshold concentrations (mM): 2.15

Standard molar enthalpy (heat) of formation ΔfH (298 K, kJ/mol)

-790.65 (s) [Ref.]

Standard molar Gibbs energy of formation ΔfG (298 K, kJ/mol)

-589.182 (s) [Ref.]

Standard molar entropy S (298 K, J/(mol·K))

164 (s) [Ref.]

Molar heat capacity at constant pressure Cp (298 K, J/(mol·K))

141.929 (s) [Ref.]

References:

  1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-15
  2. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 977-980
  3. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 236, 774 [Russian]
  4. Справочник химика. - Т. 3. - М.-Л.: Химия, 1965. - pp. 296 [Russian]
  5. Химическая энциклопедия. - Т. 2. - М.: Советская энциклопедия, 1990. - pp. 628 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru