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Properties of substance:
cyclopropane
Group of substances:
organic
Physical appearance:
colorless gas
Empirical formula (Hill's system for organic substances):
C
3
H
6
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/cm
3
)
0.6886 (-40°C, g/cm
3
)
0.6769 (-30°C, g/cm
3
)
Refractive index (n
D
):
1.3799 (-42.5°C)
Vapour pressure (Torr):
0.00000022 (-183°C)
Dissociation:
pK
a
(1) = 39 (20°C, water)
Dipole moment (D):
0 (20°C)
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
53.2 (g)
Standard molar entropy S
0
(298.15 K, J/(mol·K)):
238 (g)
Molar heat capacity at constant pressure C
p
(298.15 K, J/(mol·K)):
90.2 (g)
Molar enthalpy (heat) of fusion Δ
fus
H (kJ/mol):
5.44
Heat of combustion (kJ/mol):
2078.6
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
35.2 (l)
Critical temperature (°C):
124.65
Critical pressure (MPa):
5.677
References:
Binneweis M., Milke E. Thermochemical Data of Elements and Compounds. - 2ed, 2002. - pp. 266
CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-24
Yalkowsky S.H., Yan H., Jain P. Handbook of aqueous solubility data. – 2nd ed. - CRC Press, 2010. - pp. 56
Беликов В.Г. Учебное пособие по фармацевтической химии. - М.: Медицина, 1979. - pp. 89 [Russian]
Вредные химические вещества: Углеводороды, галогенпроизводные углеводородов. Справочник. - Л.: Химия, 1990. - pp. 79-80 [Russian]
Гордон А., Форд Р. Спутник химика. - М.: Мир, 1976. - pp. 77 [Russian]
Краткая химическая энциклопедия. - Т. 5: Т-Я. - М.: Советская энциклопедия, 1967. - pp. 851-852 [Russian]
Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 196 [Russian]
Химическая энциклопедия. - Т. 5. - М.: Советская энциклопедия, 1999. - pp. 373-374 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru