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Properties of substance:

sodium acetate

Group of substances:

inorganic

Physical appearance:

colorless monoclinic crystals

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

C2H3NaO2

Structural formula as text:

CH3COONa

Molar/atomic mass: 82.03

Melting point (°C):

328.1

Solubility (g/100 g of solvent):

1-propanol: 0.97 (20°C) [Ref.]
1-propanol: 1.1 (25°C) [Ref.]
acetic acid: 10.46 (25.3°C) [Ref.]
acetic acid: 67.79 (96.3°C) [Ref.]
acetone: 0.05 (15°C) [Ref.]
acetonitrile: 0.014 (25°C) [Ref.]
diethyl ether: slightly soluble [Ref.]
ethanol: slightly soluble [Ref.]
ethanol 98.4%: 2.08 (8°C) [Ref.]
ethanol 98.4%: 2.33 (19°C) [Ref.]
ethyl acetate: insoluble [Ref.]
ethylene glycol : 29.03 (25°C) [Ref.]
formic acid: 23.92 (-18.2°C) [Ref.]
formic acid: 7.76 (0.9°C) [Ref.]
hydrazine: 6 (20°C) [Ref.]
methanol: 16 (15°C) [Ref.]
methanol: 16.55 (67.7°C) [Ref.]
sulfur dioxide: 0.073 (0°C) [Ref.]
water: 119 (0°C) [Ref.]
water: 121 (10°C) [Ref.]
water: 123.5 (20°C) [Ref.]
water: 126 (30°C) [Ref.]
water: 129.5 (40°C) [Ref.]
water: 134 (50°C) [Ref.]
water: 139.5 (60°C) [Ref.]
water: 146 (70°C) [Ref.]
water: 153 (80°C) [Ref.]
water: 161 (90°C) [Ref.]
water: 170 (100°C) [Ref.]
water: 180 (110°C) [Ref.]
water: 191 (120°C) [Ref.]
water: 193 (123°C) [Ref.]

Properties of solutions:

9% (wt.), solvent - water
  Dynamic viscosity (mPa·s) = 1.468 (20°)
  Density (g/cm3) = 1.044 (20°)
  Index of refraction = 1.3456 (20°)
  Freezing point (°C) = -4.57
20,57% (wt.), solvent - water
  Freezing point (°C) = -15.17

Density:

1.528 (20°C, g/cm3)

Reactions:

  1. Yeild 29%. [Ref.1]
    CH3COONa + CH3CH2CH2CH2Cl → CH3COOCH2CH2CH2CH3 + NaCl
  2. Yeild 96%. [Ref.1]
    CH3COONa + CH3CH2CH2CH2Br → CH3COOCH2CH2CH2CH3 + NaBr
  3. Yeild 85%. [Ref.1aster]
    AlCl3 * 6H2O + 3CH3COONa → (CH3COO)2AlOH + 3NaCl + CH3COOH + 5H2O
  4. [Ref.1, Ref.2]
    CH3COONa + NaOH → CH4 + Na2CO3

Dissociation:

pKa (1) = 24 (20°C, water)

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

-708.8 (s) [Ref.]

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

-607.2 (s) [Ref.]

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

123 (s) [Ref.]

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

79.9 (s) [Ref.]

Enthalpy (heat) of fusion ΔfusH (kJ/mol)

17.9 (s) [Ref.]

Uses:

References:

  1. Indian Journal of Chemistry. Section A. - 2005. - Vol. 44, No. 8. - pp. 1595
  2. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 1167-1169
  3. Гордон А., Форд Р. Спутник химика. - М.: Мир, 1976. - pp. 77 [Russian]
  4. Краткий справочник по химии. - Под ред. Куриленко О.Д. - Киев: Наукова думка, 1974. - pp. 489 [Russian]
  5. Лурье Ю.Ю. Справочник по аналитической химии. - М.: Химия, 1979. - pp. 78-79 [Russian]
  6. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 83 [Russian]
  7. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 673-674, 677 [Russian]
  8. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 144-145 [Russian]
  9. Справочник химика. - Т. 3. - М.-Л.: Химия, 1965. - pp. 211, 290, 302 [Russian]
  10. Химическая энциклопедия. - Т. 3. - М.: Советская энциклопедия, 1992. - pp. 180 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru