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Properties of substance:

sodium perchlorate

Group of substances:

inorganic

Physical appearance:

colorless rhombic crystals

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

ClNaO4

Structural formula as text:

NaClO4

Molar/atomic mass: 122.44

Melting point (°C):

482

Decomposition temperature (°C):

482

Solubility (g/100 g of solvent):

1-butanol: 1.86 (23°C) [Ref.]
1-propanol: 4.89 (23°C) [Ref.]
acetone: 51.8 (25°C) [Ref.]
ammonia liquid : 278.3 (-33°C) [Ref.]
ammonia liquid : 304.3 (0°C) [Ref.]
diethyl ether: sparingly soluble [Ref.]
ethanol: 14.7 (25°C) [Ref.]
ethanolamine: 90.8 (25°C) [Ref.]
ethyl acetate: 9.65 (23°C) [Ref.]
ethylene glycol : 75.5 (25°C) [Ref.]
ethylenediamine: 30.1 (25°C) [Ref.]
hydrogen peroxide: 41 (11.4°C) [Ref.]
hydrogen peroxide: 45.6 (19°C) [Ref.]
hydrogen peroxide: 56.5 (40°C) [Ref.]
i-butanol: 0.79 (23°C) [Ref.]
methanol: 51.35 (25°C) [Ref.]
perchloric acid anhydrous: 0.628 (0°C) [Ref.]
water: 169 (0°C) [Ref.]
water: 191 (15°C) [Ref.]
water: 211 (25°C) [Ref.]
water: 243 (40°C) [Ref.]
water: 273 (50°C) [Ref.]
water: 300 (75°C) [Ref.]
water: 330 (100°C) [Ref.]

Hygroscopic:

yes

Reactions of synthesis:

  1. [Ref.1]
    4NaClO3 → 3NaClO4 + NaCl
  2. [Ref.1]
    NaClO3 + H2O → NaClO4 + H2

Reactions:

  1. [Ref.1]
    NaClO4 + KCl → KClO4 + NaCl

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

-382.8 (s)

Standard molar Gibbs energy of formation ΔfG0 (298.15 K, kJ/mol):

-282 (s)

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

140 (s)

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

109 (s)

References:

  1. Journal of the American Chemical Society. - 1923. - Vol. 45, No. 2. - pp. 293
  2. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 1252-1254
  3. Иванов В.М., Семененко К.А., Прохорова Г.В., Симонов Е.Ф. Натрий. - М.: Наука, 1986. - pp. 19 [Russian]
  4. Некрасов Б.В. Основы общей химии. - Т.2. - М.: Химия, 1973. - pp. 238 [Russian]
  5. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 85 [Russian]
  6. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 665 [Russian]
  7. Якименко Л.М. Производство хлора, каустической соды и неорганических хлорпродуктов. - М.: Химия, 1974. - pp. 433-448 [Russian]
  8. Якименко Л.М., Серышев Г.А. Электрохимический синтез неорганических соединений. - М.: Химия, 1984. - pp. 79-81 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru