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Properties of substance:

1,2-propylene glycol

Group of substances:

organic

Physical appearance:

colorless liquid

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

C3H8O2

Structural formula as text:

CH3CH(OH)CH2OH

Molar/atomic mass: 76.094

Melting point (°C):

-60

Density:

1.0361 (20°C, d4)

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

-501 (l)

Molar heat capacity at constant pressure Cp (298.15 K, J/(mol·K)):

190.8 (l)

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

-429.8 (g)

LD50 (mg/kg):

26400 (rats, oral)
20300 (mice, oral)

References:

  1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-25
  2. Дымент О.Н., Казанский К.С., Мирошников А.М. Гликоли и другие производные окисей этилена и пропилена. - М.: Химия, 1976. - pp. 18, 173 [Russian]
  3. Свойства органических соединений: Справочник. - Под ред. Потехина А.А. - Л.: Химия, 1984. - pp. 306-307 [Russian]
  4. Химическая энциклопедия. - Т. 4. - М.: Советская энциклопедия, 1995. - pp. 103-104 [Russian]
  5. Шефтель В.О. Полимерные материалы: Токсические свойства. - Л.: Химия, 1982. - pp. 172 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru