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Properties of substance:

1,3-propylene glycol

Group of substances:

organic

Physical appearance:

viscous liquid

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

C3H8O2

Structural formula as text:

HOCH2CH2CH2OH

Molar/atomic mass: 76.094

Boiling point (°C):

214.22

Decomposition temperature (°C):

214

Solubility (g/100 g of solvent):

benzene: 0.285 (26.2°C) [Ref.]
diethyl ether: very soluble [Ref.]
ethanol: miscible [Ref.]
water: miscible [Ref.]

Density:

1.0526 (18°C, d4)

Refractive index (nD):

1.4396 (20°C)

Permittivity (dielectric constant):

35 (20°C)

Standard molar enthalpy (heat) of formation ΔfH0 (298.15 K, kJ/mol):

-480.8 (l)

Standard molar enthalpy (heat) of formation ΔfH0 (298.15 K, kJ/mol):

-408 (g)

References:

  1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-25
  2. Вайсбергер А., Проскауэр Э., Риддик Дж., Туис Э. Органические растворители: Физические свойства и методы очистки. - М.: ИЛ, 1958. - pp. 113 [Russian]
  3. Дымент О.Н., Казанский К.С., Мирошников А.М. Гликоли и другие производные окисей этилена и пропилена. - М.: Химия, 1976. - pp. 19 [Russian]
  4. Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 1300 [Russian]
  5. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 906-907 [Russian]
  6. Химическая энциклопедия. - Т. 4. - М.: Советская энциклопедия, 1995. - pp. 103 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru