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Properties of substance:

n-hexane



skc-file

Group of substances:

organic

Physical appearance:

colorless liquid

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

C6H14

Structural formula as text:

CH3(CH2)4CH3

CAS No: 110-54-3

Molar/atomic mass: 86.175

Melting point (°C):

-95.34

Boiling point (°C):

68.742

Solubility (g/100 g of solvent):

1,1,2-trichloro-1,2,2-trifluoroethane: miscible [Ref.]
acetone: miscible [Ref.]
ammonia liquid : insoluble [Ref.]
chloroform: soluble [Ref.]
diethyl ether: soluble [Ref.]
dimethylsulfoxide: 2.6 (25°C) [Ref.]
ethanol: 63.3 (30°C) [Ref.]
hydrogen fluoride : slightly soluble [Ref.]
methanol: 40 (5°C) [Ref.]
methanol: 46.2 (20°C) [Ref.]
methanol: 76.46 (25°C) [Ref.]
methanol: 106.4 (30°C) [Ref.]
methanol: miscible (33.2°C) [Ref.]
oxygen liquid: 0.0012 (-183°C) [Ref.]
perfluoro-n-hexane: miscible (28.5°C, critical solution temperature) [Ref.]
water: 0.001518 (14°C) [Ref.]
water: 0.00095 (25°C) [Ref.]
water: 0.0236 (170°C, with pressure 7 bar) [Ref.]

Properties of solutions:

8,68% (wt.), solvent - acetone
  Density (g/cm3) = 0.76931 (25°)
  Index of refraction = 1.35631 (25°)
  Sound speed (m/s) = 1143. (25°)
14,45% (wt.), solvent - acetone
  Density (g/cm3) = 0.75952 (25°)
  Index of refraction = 1.3568 (25°)
  Sound speed (m/s) = 1131. (25°)
22% (wt.), solvent - acetone
  Density (g/cm3) = 0.74731 (25°)
  Index of refraction = 1.3575 (25°)
  Sound speed (m/s) = 1117. (25°)
27,17% (wt.), solvent - acetone
  Density (g/cm3) = 0.73928 (25°)
32,73% (wt.), solvent - acetone
  Density (g/cm3) = 0.73096 (25°)
39,71% (wt.), solvent - acetone
  Density (g/cm3) = 0.72092 (25°)
43,86% (wt.), solvent - acetone
  Density (g/cm3) = 0.71517 (25°)
49,27% (wt.), solvent - acetone
  Density (g/cm3) = 0.70791 (25°)
  Index of refraction = 1.36093 (25°)
  Sound speed (m/s) = 1082. (25°)
55,36% (wt.), solvent - acetone
  Density (g/cm3) = 0.70003 (25°)
58,57% (wt.), solvent - acetone
  Density (g/cm3) = 0.69603 (25°)
64,75% (wt.), solvent - acetone
  Density (g/cm3) = 0.68857 (25°)
67,48% (wt.), solvent - acetone
  Density (g/cm3) = 0.6854 (25°)
72,92% (wt.), solvent - acetone
  Density (g/cm3) = 0.67932 (25°)
  Index of refraction = 1.36505 (25°)
  Sound speed (m/s) = 1067. (25°)
76,09% (wt.), solvent - acetone
  Density (g/cm3) = 0.67592 (25°)
80,3% (wt.), solvent - acetone
  Density (g/cm3) = 0.67159 (25°)
84,56% (wt.), solvent - acetone
  Density (g/cm3) = 0.66746 (25°)
87,44% (wt.), solvent - acetone
  Density (g/cm3) = 0.66481 (25°)
92,06% (wt.), solvent - acetone
  Density (g/cm3) = 0.66087 (25°)
94,51% (wt.), solvent - acetone
  Density (g/cm3) = 0.65894 (25°)
  Index of refraction = 1.37044 (25°)
  Sound speed (m/s) = 1071. (25°)

Density:

0.795 (-183°C, g/cm3)
0.6769 (0°C, g/cm3)
0.6684 (10°C, g/cm3)
0.65937 (20°C, g/cm3)
0.6412 (40°C, g/cm3)
0.6318 (50°C, g/cm3)
0.6221 (60°C, g/cm3)

Refractive index (nD):

1.37486 (20°C)

Vapour pressure (Torr):

1 (-54°C)
10 (-25°C)
40 (-2.3°C)
100 (15.8°C)
120 (20°C)
400 (49.6°C)

    Permittivity (dielectric constant):

    1.89 (20°C)

    Dipole moment (D):

    0.08 (20°C)

    Surface tension (mN/m):

    18.43 (20°C)
    18.94 (15°C)

    Speed sound (m/s):

    199.6 (134°C, aggregative state - gas)

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

    -167.2 (l)

    Flash point (°C):

    -23

    Autoignition temperature (°C):

    233

    Heat of combustion (kJ/mol):

    3887

    References:

    1. Dean J.A. Lange's handbook of chemistry. - 1999. - pp. 1.235
    2. Gangolli S. The Dictionary of Substances and their Effects. - 2 ed., Vol. 4, E-J. - RSC, 1999. - pp. 628-631
    3. Journal of Chemical and Engineering Data. - 1961. - Vol. 6, No. 3. - pp. 339
    4. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 457-459
    5. Smallwood I.M. Handbook of organic solvent properties. - 1996. - pp. 7-9
    6. Yalkowsky S.H., Yan H. Handbook of aqueous solubility data. - CRC Press, 2003. - pp. 319-320
    7. Вайсбергер А., Проскауэр Э., Риддик Дж., Туис Э. Органические растворители: Физические свойства и методы очистки. - М.: ИЛ, 1958. - pp. 58 [Russian]
    8. Воскресенский П.И., Каверина А.А., Парменов К.Я., Цветков Л.А., Эпштейн Д.А. Справочник по химии. - 4 изд. - М.: Просвещение, 1978. - pp. 200 [Russian]
    9. Вредные химические вещества: Углеводороды, галогенпроизводные углеводородов. Справочник. - Л.: Химия, 1990. - pp. 29-34 [Russian]
    10. Корольченко А.Я., Корольченко Д.А. Пожаровзрывоопасность веществ и материалов и средства их тушения. - 2 изд, Ч.2. - М.: Ассоциация Пожнаука, 2004. - pp. 322 [Russian]
    11. Краткая химическая энциклопедия. - Т. 1: А-Е. - М.: Советская энциклопедия, 1961. - pp. 815-816 [Russian]
    12. Оболенцев Р.Д. Физические константы углеводородов жидких топлив и масел. - 2 изд. - М.-Л.: ГНТИНГТЛ, 1953. - pp. 8-9 [Russian]
    13. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - 2-е изд. - Л.: Химия, 1978. - pp. 141 [Russian]
    14. Справочник химика. - 2 изд., Т.1. - Л.-М.: Химия, 1966. - pp. 553-554, 637 [Russian]
    15. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 580-581 [Russian]
    16. Справочник химика. - Т. 6. - Л.: Химия, 1967. - pp. 118-119 [Russian]
    17. Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советская энциклопедия, 1983. - pp. 122 [Russian]
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru