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Properties of substance:

elaidic acid

Group of substances:

organic

Physical appearance:

colorless leaflets crystals

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

C18H34O2

Structural formula as text:

CH3(CH2)7CH=CH(CH2)7COOH

Molar/atomic mass: 282.47

Melting point (°C):

44.2

Solubility (g/100 g of solvent):

acetone: 0.26 (-20°C) [Ref.]
benzene: soluble [Ref.]
chloroform: soluble [Ref.]
cis-1,2-dichloroethene: 6.2 (0°C) [Ref.]
diethyl ether: 1.4 (-20°C) [Ref.]
ethanol: soluble [Ref.]
ethyl acetate: 0.29 (-20°C) [Ref.]
methanol: 0.18 (-20°C) [Ref.]
trans-1,2-dichloroethene: 10.97 (0°C) [Ref.]
water: insoluble [Ref.]

Density:

0.8734 (45°C, d4)
0.8568 (70°C, d4)
0.8505 (79°C, d4)

Refractive index (nD):

1.4439 (45°C)
1.4308 (100°C)

Vapour pressure (Torr):

10 (225°C)
15 (234°C)
100 (288°C)

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

61.55

References:

  1. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 787
  2. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 197 [Russian]
  3. Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 1582 [Russian]
  4. Химическая энциклопедия. - Т. 3. - М.: Советская энциклопедия, 1992. - pp. 369 [Russian]
  5. Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советская энциклопедия, 1983. - pp. 695 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru