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Properties of substance:

sodium chlorate

Group of substances:

inorganic

Physical appearance:

colorless cubic crystals

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

ClNaO3

Structural formula as text:

NaClO3

Molar/atomic mass: 106.44

Melting point (°C):

261

Decomposition temperature (°C):

400

Solubility (g/100 g of solvent):

acetone: sparingly soluble [Ref.]
ammonia liquid : very soluble [Ref.]
ethanol: 14.7 (25°C) [Ref.]
ethanolamine: 19.7 (25°C) [Ref.]
ethyl acetate: insoluble [Ref.]
ethylene glycol : 16 (25°C) [Ref.]
ethylenediamine: 52.8 (25°C) [Ref.]
glycerol: 20 (15.5°C) [Ref.]
hydrazine: 66 (20°C) [Ref.]
methanol: 51.35 (25°C) [Ref.]
methyl acetate: insoluble [Ref.]
water: 79.6 (0°C) [Ref.]
water: 87.6 (10°C) [Ref.]
water: 95.9 (20°C) [Ref.]
water: 100.5 (25°C) [Ref.]
water: 105.3 (30°C) [Ref.]
water: 115.4 (40°C) [Ref.]
water: 203.9 (100°C) [Ref.]

Density:

2.49 (15°C, g/cm3)

Reactions:

  1. Yeild 62%. [Ref.1aster]
    AgNO3 + NaClO3 → AgClO3 + NaNO3
  2. [Ref.1]
    4NaClO3 → 3NaClO4 + NaCl
  3. [Ref.1]
    NaClO3 + H2O → NaClO4 + H2

Surface tension (mN/m):

88.9 (290°C)

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

-365.4 (s)

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

-275 (s)

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

129.7 (s)

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

104.6 (s)

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

22.6

LD50 (mg/kg):

6500 (rats, oral)
6100 (guinea pig, oral)
3600 (mice, oral)
700 (dogs, oral)

References:

  1. Lewis R.J. Sax's Dangerous Properties of Industrial Materials. - 12ed., Vol. 1-5. - Wiley, 2012. - pp. 3995
  2. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 1250-1252
  3. Stern K.H. High temperature properties and thermal decomposition of inorganic salts with oxyanions. - CRC Press, 2001. - pp. 220-221
  4. Вредные химические вещества: Неорганические соединения элементов I-IV групп. Справочник. - Л.: Химия, 1988. - pp. 36 [Russian]
  5. Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 261 [Russian]
  6. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 86 [Russian]
  7. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 665 [Russian]
  8. Якименко Л.М. Производство хлора, каустической соды и неорганических хлорпродуктов. - М.: Химия, 1974. - pp. 366-407 [Russian]
  9. Якименко Л.М., Пасманик М.И. Справочник по производству хлора, каустической соды и основных хлорпродуктов. - 2 изд. - М.: Химия, 1976. - pp. 279-281 [Russian]
  10. Якименко Л.М., Серышев Г.А. Электрохимический синтез неорганических соединений. - М.: Химия, 1984. - pp. 32-33 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru