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Properties of substance:

1,4-butanediol

Group of substances:

organic

Physical appearance:

oily liquid

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

C4H10O2

Structural formula as text:

HOCH2CH2CH2CH2OH

Molar/atomic mass: 90.121

Melting point (°C):

20.9

Boiling point (°C):

235

Solubility (g/100 g of solvent):

acetone: miscible [Ref.]
benzene: 0.348 (27°C) [Ref.]
carbon tetrachloride: 0.4 (25°C) [Ref.]
cyclohexane: 0.0206 (33.2°C) [Ref.]
diethyl ether: 3.1 (25°C) [Ref.]
ethanol: soluble [Ref.]
heptane: 0.025 (39.3°C) [Ref.]
water: miscible [Ref.]

Density:

1.0171 (25°C, g/cm3)

Refractive index (nD):

1.446 (25°C)

Vapour pressure (Torr):

0.075 (45°C)
0.75 (77°C)
7.5 (116°C)
10 (120°C)
75 (164.7°C)
750 (227.6°C)

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

-505.3 (l) [Ref.]
-428.7 (g) [Ref.]

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

223.4 (l) [Ref.]

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

200.1 (l) [Ref.]

References:

  1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-27
  2. Гурвич Я.А. Справочник молодого аппаратчика-химика. - М.: Химия, 1991. - pp. 180-181 [Russian]
  3. Мономеры для поликонденсации. - М.: Мир, 1976. - pp. 232 [Russian]
  4. Полюдек-Фабини Р., Бейрих Т. Органический анализ. - Л.: Химия, 1981. - pp. 68-69 [Russian]
  5. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 133 [Russian]
  6. Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 1355 [Russian]
  7. Химическая энциклопедия. - Т. 1. - М.: Советская энциклопедия, 1988. - pp. 334-335 [Russian]
  8. Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советская энциклопедия, 1983. - pp. 87 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru