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Properties of substance:

praseodymium chloride

Group of substances:

inorganic

Physical appearance:

green needles crystals

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

Cl3Pr

Structural formula as text:

PrCl3

Molar/atomic mass: 247.27

Melting point (°C):

786

Boiling point (°C):

1710

CAS №: 10361-79-2

Solubility (g/100 g of solvent):

ethanol: soluble [Ref.]
pyridine: 2.15 (20°C) [Ref.]
water: 103.92 (13°C) [Ref.]

Properties of solutions:

50,96% (wt.), solvent - water
  Density of a material to that water at 4°C = 1.687 (13°)

Standard molar enthalpy (heat) of formation ΔfH0 (298.15 K, kJ/mol):

-1055.88 (s)

Standard molar entropy S0 (298.15 K, J/(mol·K)):

153.3 (s)

Molar heat capacity at constant pressure Cp (298.15 K, J/(mol·K)):

99 (s)

Molar enthalpy (heat) of fusion ΔfusH (kJ/mol):

50.6

Enthalpy (heat) of vaporization ΔvapH (kJ/mol):

213

Standard molar enthalpy (heat) of formation ΔfH0 (298.15 K, kJ/mol):

-730 (g)

Standard molar entropy S0 (298.15 K, J/(mol·K)):

379 (g)

Molar heat capacity at constant pressure Cp (298.15 K, J/(mol·K)):

82 (g)

LD50 (mg/kg):

944 (white mice, oral)

References:

  1. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 4-84
  2. Seidell A. Solubilities of inorganic and organic substances. - 2ed. - New York: D. Van Nostrand Company, 1919. - pp. 568
  3. Гринвуд Н., Эрншо А. Химия элементов. - Т.2. - М.: БИНОМ. Лаборатория знаний, 2008. - pp. 559 [Russian]
  4. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 178-179 [Russian]
  5. Руководство по неорганическому синтезу. - Т.4, под ред. Брауэра Г. - М.: Мир, 1985. - pp. 1168 [Russian]
  6. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 867 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru