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Properties of substance:

holmium chloride

Group of substances:

inorganic

Physical appearance:

pale yellow monoclinic crystals

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

Cl3Ho

Structural formula as text:

HoCl3

Molar/atomic mass: 271.29

Melting point (°C):

720

Boiling point (°C):

1507

CAS №: 10138-62-2

Solubility (g/100 g of solvent):

1,2-diethoxyethane: 0.37 (25°C) [Ref.]
1,4-dioxane: 0.55 (room temperature) [Ref.]
1-methoxy-2-ethoxyethane: 0.65 (room temperature) [Ref.]
1-methoxyheptane: 0.99 (room temperature) [Ref.]
1-methoxyoctane: 1.57 (room temperature) [Ref.]
1-methoxypentane: 2.5 (room temperature) [Ref.]
1-propylamine: 50.2 (25°C) [Ref.]
2-ethoxyethanol: 9.2 (25°C) [Ref.]
dipropyl ether: 0.1 (room temperature) [Ref.]
ethylene glycol monomethyl ether: 3.3 (25°C) [Ref.]
tetrahydrofuran: 0.784 (room temperature) [Ref.]
tributyl phosphate: 69.5 (25°C) [Ref.]
water: 100.5 (25°C) [Ref.]

Density:

3.7 (g/cm3)

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

-1006 (s)

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

161 (s)

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

98.3 (s)

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

30.4

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

190

References:

  1. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 4-66
  2. Гринвуд Н., Эрншо А. Химия элементов. - Т.2. - М.: БИНОМ. Лаборатория знаний, 2008. - pp. 559 [Russian]
  3. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 114-115 [Russian]
  4. Химическая энциклопедия. - Т. 1. - М.: Советская энциклопедия, 1988. - pp. 591 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru