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Properties of substance:

sodium benzoate

Group of substances:

inorganic

Physical appearance:

colorless crystals

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

C7H5NaO2

Structural formula as text:

C6H5COONa

Molar/atomic mass: 144.11

Solubility (g/100 g of solvent):

1,4-dioxane: 0.0000818 (25°C) [Ref.]
1-octanol: 0.00077 (25°C) [Ref.]
1-pentanol: 0.139 (25°C) [Ref.]
acetic acid: 42.93 (25°C) [Ref.]
acetone: 0.0000514 (25°C) [Ref.]
acetophenone: 0.00397 (25°C) [Ref.]
benzene: 0.000074 (25°C) [Ref.]
chloroform: 0.0013 (25°C) [Ref.]
cyclohexane: 0.00012 (25°C) [Ref.]
diethyl ether: 0.00037 (25°C) [Ref.]
dimethylformamide: 0.054 (25°C) [Ref.]
ethanol: 0.46 (25°C) [Ref.]
ethanol: 2.3 (25°C) [Ref.]
ethanol: 8.3 (78°C) [Ref.]
ethyl acetate: 0.00036 (25°C) [Ref.]
ethyl formane: 0.0049 (25°C) [Ref.]
ethylene glycol : 19.92 (25°C) [Ref.]
formamide: 14.21 (25°C) [Ref.]
glycerol: 8.91 (25°C) [Ref.]
heptane: 0.00063 (25°C) [Ref.]
methanol: 8.22 (15°C) [Ref.]
methanol: 7.55 (66.2°C) [Ref.]
monochlorbenzene: 0.00074 (25°C) [Ref.]
propionic acid: 34.5 (25°C) [Ref.]
propylene glycol: 3.6 (25°C) [Ref.]
pyridine: 3.1 (25°C) [Ref.]
water: 62.65 (0°C) [Ref.]
water: 62.84 (15°C) [Ref.]
water: 62.87 (30°C) [Ref.]
water: 63.15 (50°C) [Ref.]
water: 64.47 (59.7°C) [Ref.]
water: 70.24 (87.6°C) [Ref.]
water: 74.2 (100°C) [Ref.]

Reactions:

  1. Yeild 15-28%. [Ref.1]
    2C6H5COONa → C6H5COC6H5 + Na2CO3

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

-642.56 (s) [Ref.]

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

184.58 (s) [Ref.]

References:

  1. Burdock G.A. Fenaroli’s handbook of flavor ingredients. - 6th ed. - CRC Press, 2010. - pp. 1840-1841
  2. Jouyban A. Handbook of solubility data for pharmaceutacals. – CRC Press, 2010. - pp. 72
  3. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 1176-1177
  4. The Merck Index 11th ed., Merck & Company, 1989. - pp. 1357
  5. Беликов В.Г. Учебное пособие по фармацевтической химии. - М.: Медицина, 1979. - pp. 169 [Russian]
  6. Девяткин В.В., Ляхова Ю.М. Химия для любознательных, или о чем не узнаешь на уроке. - Ярославль: Академия Холдинг, 2000. - pp. 67 [Russian]
  7. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 142, 676 [Russian]
  8. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 134-135 [Russian]
  9. Физер Л., Физер М. Реагенты для органического синтеза. - Т. 1: А-Е. - М., 1970. - pp. 101-102 [Russian]
  10. Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советская энциклопедия, 1983. - pp. 361 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru