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Properties of substance:

cyclopropane

Group of substances:

organic

Physical appearance:

colorless gas

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

C3H6

Structural formula as text:

(CH2)3

Molar/atomic mass: 42.08

Melting point (°C):

-127.42

Boiling point (°C):

-32.8

Solubility (g/100 g of solvent):

benzene: soluble [Ref.]
diethyl ether: very soluble [Ref.]
ethanol: very soluble [Ref.]
petroleum ether: soluble [Ref.]
water: 0.0464 (25°C) [Ref.]
water: 0.0288 (39°C) [Ref.]
water: 0.03529 (71°C) [Ref.]

Density:

0.72 (-79°C, g/cm3)
0.6886 (-40°C, g/cm3)
0.6769 (-30°C, g/cm3)

Refractive index (nD):

1.3799 (-42.5°C)

Vapour pressure (Torr):

0.00000022 (-183°C)

Dissociation:

pKa (1) = 39 (20°C, water)

Dipole moment (D):

0 (20°C)

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

53.2 (g)

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

238 (g)

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

90.2 (g)

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

5.44

Heat of combustion (kJ/mol):

2078.6

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

35.2 (l)

Critical temperature (°C):

124.65

Critical pressure (MPa):

5.677

References:

  1. Binneweis M., Milke E. Thermochemical Data of Elements and Compounds. - 2ed, 2002. - pp. 266
  2. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-24
  3. Yalkowsky S.H., Yan H., Jain P. Handbook of aqueous solubility data. – 2nd ed. - CRC Press, 2010. - pp. 56
  4. Беликов В.Г. Учебное пособие по фармацевтической химии. - М.: Медицина, 1979. - pp. 89 [Russian]
  5. Вредные химические вещества: Углеводороды, галогенпроизводные углеводородов. Справочник. - Л.: Химия, 1990. - pp. 79-80 [Russian]
  6. Гордон А., Форд Р. Спутник химика. - М.: Мир, 1976. - pp. 77 [Russian]
  7. Краткая химическая энциклопедия. - Т. 5: Т-Я. - М.: Советская энциклопедия, 1967. - pp. 851-852 [Russian]
  8. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 196 [Russian]
  9. Химическая энциклопедия. - Т. 5. - М.: Советская энциклопедия, 1999. - pp. 373-374 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru