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Properties of substance:

dimethyl ether

Group of substances:

organic

Physical appearance:

colorless gas

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

C2H6O

Structural formula as text:

CH3OCH3

Molar/atomic mass: 46.07

Melting point (°C):

-138.5

Boiling point (°C):

-23.65

Solubility (g/100 g of solvent):

acetone: 10.64 (25°C) [Ref.]
benzene: 10.65 (25°C) [Ref.]
benzine: 178 (-40°C) [Ref.]
benzine: 23.5 (0°C) [Ref.]
benzine: 7.5 (25°C) [Ref.]
carbon tetrachloride: 5.85 (25°C) [Ref.]
chloroform: soluble [Ref.]
diethyl ether: soluble [Ref.]
dimethylsulfoxide: 3.9 (20.3°C) [Ref.]
ethanol: soluble [Ref.]
methyl acetate: 7.82 (25°C) [Ref.]
monochlorbenzene: 9.32 (25°C) [Ref.]
oxygen liquid: 0.00036 (-183°C) [Ref.]
sulfuric acid: soluble [Ref.]
water: 6.8 (18°C) [Ref.]

Density:

0.002091 (20°C, g/cm3)

Speed sound (m/s):

274 (97.1°C, aggregative state - gas)

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

-185.3 (g)

Standard molar Gibbs energy of formation ΔfG0 (298.15 K, kJ/mol):

-114.2 (g)

Standard molar entropy S0 (298.15 K, J/(mol·K)):

266.6 (g)

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

65.94 (g)

Autoignition temperature (°C):

350

Heat of combustion (kJ/mol):

1454.3

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

-203.3 (l)

Critical temperature (°C):

126.9

Critical pressure (MPa):

5.3

References:

  1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 6-147
  2. Dictionary of organic compounds. - vol.1, Abietic acid - Dypnone. - London, 1946. - pp. 912
  3. Flick E.W. Industrial solvent handbook. - 5ed. - 1998. - pp. 463-464
  4. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 128
  5. Yalkowsky S.H., Yan H., Jain P. Handbook of aqueous solubility data. – 2nd ed. - CRC Press, 2010. - pp. 40
  6. Каррер П. Курс органической химии. - 2-е изд., под ред. Колосова М.Н. - Л.: ГНТИХЛ, 1962. - pp. 150-152 [Russian]
  7. Краткая химическая энциклопедия. - Т. 1: А-Е. - М.: Советская энциклопедия, 1961. - pp. 1121-1122 [Russian]
  8. Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 559 [Russian]
  9. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 144 [Russian]
  10. Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 1211-1215 [Russian]
  11. Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советская энциклопедия, 1983. - pp. 170 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru