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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: 17.42 (25°C) [Ref.]
methanol: 16.55 (67.7°C) [Ref.]
sulfur dioxide: 0.073 (0°C) [Ref.]
water: 36.3 (0°C) [Ref.]
water: 40.8 (10°C) [Ref.]
water: 46.5 (20°C) [Ref.]
water: 61.55 (25°C) [Ref.]
water: 54.5 (30°C) [Ref.]
water: 65.5 (40°C) [Ref.]
water: 83 (50°C) [Ref.]
water: 138 (58°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:

1% (wt.), solvent - water
  Viscosity (mPa·s) = 1.04 (20°)
  Molality (moles of solute per kg of solvent) = 0.123
  Molarity (moles of solute per liter of solution) = 0.122
  Density (g/cm3) = 1.0034 (20°)
  Index of refraction = 1.3344 (20°)
  Freezing point (°C) = -0.43
2% (wt.), solvent - water
  Viscosity (mPa·s) = 1.08 (20°)
3% (wt.), solvent - water
  Viscosity (mPa·s) = 1.124 (20°)
4% (wt.), solvent - water
  Viscosity (mPa·s) = 1.171 (20°)
5% (wt.), solvent - water
  Viscosity (mPa·s) = 1.222 (20°)
6% (wt.), solvent - water
  Viscosity (mPa·s) = 1.278 (20°)
7% (wt.), solvent - water
  Viscosity (mPa·s) = 1.337 (20°)
8% (wt.), solvent - water
  Viscosity (mPa·s) = 1.401 (20°)
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
10% (wt.), solvent - water
  Viscosity (mPa·s) = 1.539 (20°)
12% (wt.), solvent - water
  Viscosity (mPa·s) = 1.688 (20°)
14% (wt.), solvent - water
  Viscosity (mPa·s) = 1.855 (20°)
16% (wt.), solvent - water
  Viscosity (mPa·s) = 2.054 (20°)
18% (wt.), solvent - water
  Viscosity (mPa·s) = 2.284 (20°)
20% (wt.), solvent - water
  Viscosity (mPa·s) = 2.567 (20°)
20,57% (wt.), solvent - water
  Freezing point (°C) = -15.17
22% (wt.), solvent - water
  Viscosity (mPa·s) = 2.948 (20°)
24% (wt.), solvent - water
  Viscosity (mPa·s) = 3.4 (20°)
26% (wt.), solvent - water
  Viscosity (mPa·s) = 3.877 (20°)
28% (wt.), solvent - water
  Viscosity (mPa·s) = 4.388 (20°)
30% (wt.), solvent - water
  Viscosity (mPa·s) = 4.94 (20°)

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. Journal of Molecular Liquids. - 2008. - Vol. 140, No. 1–3. - pp. 10-14
  3. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 1167-1169
  4. Гордон А., Форд Р. Спутник химика. - М.: Мир, 1976. - pp. 77 [Russian]
  5. Краткий справочник по химии. - Под ред. Куриленко О.Д. - Киев: Наукова думка, 1974. - pp. 489 [Russian]
  6. Лурье Ю.Ю. Справочник по аналитической химии. - М.: Химия, 1979. - pp. 78-79 [Russian]
  7. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 83 [Russian]
  8. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 673-674, 677 [Russian]
  9. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 144-145 [Russian]
  10. Справочник химика. - Т. 3. - М.-Л.: Химия, 1965. - pp. 211, 290, 302 [Russian]
  11. Химическая энциклопедия. - Т. 3. - М.: Советская энциклопедия, 1992. - pp. 180 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru