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Properties of substance:

ethanol



skc-file

Group of substances:

organic

Physical appearance:

colorless liquid

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

C2H6O

Structural formula as text:

C2H5OH

CAS No: 64-17-5

Molar/atomic mass: 46.069

Melting point (°C):

-114.15

Boiling point (°C):

78.39

Decomposition temperature (°C):

600

Solubility (g/100 g of solvent):

1,1,2-trichloro-1,2,2-trifluoroethane: miscible [Ref.]
acetic acid: miscible [Ref.]
ammonia liquid : miscible [Ref.]
benzene: miscible [Ref.]
chloroform: miscible [Ref.]
diethyl ether: miscible [Ref.]
ethanol: miscible [Ref.]
glycerol: miscible [Ref.]
hydrogen chloride liquid anhydrous: soluble [Ref.]
hydrogen fluoride : very soluble [Ref.]
methanol: miscible [Ref.]
oxygen liquid: 0.0022 (-195.6°C) [Ref.]
water: miscible [Ref.]

Multicomponent solubility (in wt%):

(layer 1): water 82,378%, ethanol 3,409%, sodium carbonate 14,213%, (layer 2): water 24,732%, ethanol 75,159%, sodium carbonate 0,109%, 20 °C [Ref.]
(layer 1): water 59,24%, ethanol 32,75%, manganese(II) sulfate 8,01%, (layer 2): water 62,37%, ethanol 15,02%, manganese(II) sulfate 22,61%, 25 °C [Ref.]

Properties of solutions:

1% (wt.), solvent - water
  Density of a material to that water at 4°C = 0,99636 (20°)
10% (wt.), solvent - water
  Density of a material to that water at 4°C = 0,98187 (20°)
  Freezing point (°C) = -4,5
20% (wt.), solvent - water
  Density of a material to that water at 4°C = 0,96864 (20°)
  Freezing point (°C) = -10,5
30% (wt.), solvent - water
  Density of a material to that water at 4°C = 0,95382 (20°)
  Freezing point (°C) = -20
40% (wt.), solvent - water
  Dynamic viscosity (mPa·s) = 2,846 (20°)
  Density of a material to that water at 4°C = 0,94238 (10°)
  Density of a material to that water at 4°C = 0,93518 (20°)
  Index of refraction = 1,3583 (20°)
  Freezing point (°C) = -29,4
50% (wt.), solvent - water
  Density of a material to that water at 4°C = 0,91384 (20°)
60% (wt.), solvent - water
  Dynamic viscosity (mPa·s) = 2,547 (20°)
  Density (g/cm3) = 0,8911 (20°)
  Index of refraction = 1,3638 (20°)
  Freezing point (°C) = -43,8
70% (wt.), solvent - water
  Density of a material to that water at 4°C = 0,86766 (20°)
80% (wt.), solvent - water
  Density of a material to that water at 4°C = 0,84344 (20°)
90% (wt.), solvent - water
  Density of a material to that water at 4°C = 0,81797 (20°)
95% (wt.), solvent - water
  Density of a material to that water at 4°C = 0,80424 (20°)
96% (wt.), solvent - water
  Density of a material to that water at 4°C = 0,80138 (20°)
97% (wt.), solvent - water
  Density of a material to that water at 4°C = 0,79846 (20°)
99% (wt.), solvent - water
  Density of a material to that water at 4°C = 0,79243 (20°)

Density:

0.78945 (20°C, g/cm3)
0.80625 (0°C, g/cm3)
0.80207 (5°C, g/cm3)
0.79788 (10°C, g/cm3)
0.79367 (15°C, g/cm3)
0.78522 (25°C, g/cm3)
0.78097 (30°C, g/cm3)
0.77671 (35°C, g/cm3)
0.77329 (39°C, g/cm3)
0.754 (60°C, g/cm3)

Index of refraction:

1.3611 (20°C)

Vapour pressure (Torr):

1 (-31.3°C)
10 (-2.3°C)
12.24 (0°C)
23.77 (10°C)
40 (19°C)
44 (20°C)
78.66 (30°C)
100 (34.9°C)
133.42 (40°C)
219.82 (50°C)
350.2 (60°C)
400 (63.5°C)
540.9 (70°C)
811.8 (80°C)
1186.5 (90°C)
1692.3 (100°C)
2359.8 (110°C)
3223 (120°C)
3800 (126°C)
7600 (151.8°C)
15200 (183°C)
38000 (230°C)

    Dissociation:

    pKBH+ (1) = -5.1 (25°C, water)
    pKa (1) = 18 (20°C, water)

    Permittivity (dielectric constant):

    25 (20°C)

    Standard molar enthalpy (heat) of formation ΔfH (298 K, kJ/mol)

    -277,63 (l) [Ref.]
    -234,8 (g) [Ref.]

    Standard molar Gibbs energy of formation ΔfG (298 K, kJ/mol)

    -174,8 (l) [Ref.]
    -167,9 (g) [Ref.]

    Standard molar entropy S (298 K, J/(mol·K))

    160,7 (l) [Ref.]
    281,6 (g) [Ref.]

    Molar heat capacity at constant pressure Cp (298 K, J/(mol·K))

    113 (l) [Ref.]
    65,6 (g) [Ref.]

    Enthalpy (heat) of fusion ΔfusH (kJ/mol)

    5,02 (s) [Ref.]

    Enthalpy (heat) of vaporization ΔvapH (kJ/mol)

    42,3 (l) [Ref.]

    Enthalpy (heat) of solution ΔsolH (kJ)

    -11,195 (l) [18°C, 1 mol in 200 mol of water] [Ref.]
    -10,7 (l) [18°C, 1 mol in 100 mol of water] [Ref.]
    -0,3 (l) [18°C, 1 mol in 0.28 mol of water] [Ref.]
    -1,7 (l) [18°C, 1 mol in 1.7 mol of water] [Ref.]
    -8,2 (l) [18°C, 1 mol in 10.2 mol of water] [Ref.]

    Heat of combustion (kJ/mol)

    1370,7 (l) [Ref.]

    LD50 (mg/kg):

    9000 (rats, oral)
    8000 (mice, oral)

    Critical temperature (°C):

    243

    Critical pressure (MPa):

    6.38

    Critical density (g/cm3):

    0.2755

    References:

    1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-22
    2. Chemical Reviews. - 1932. - Vol. 10, No. 3. - pp. 465-506
    3. Flick E.W. Industrial solvent handbook. - 5ed. - 1998. - pp. 249-291
    4. Gangolli S. The Dictionary of Substances and their Effects. - 2 ed., Vol. 4, E-J. - RSC, 1999. - pp. 90-94
    5. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 129-156
    6. Smallwood I.M. Handbook of organic solvent properties. - 1996. - pp. 65-67
    7. Вредные вещества в промышленности: Справочник для химиков, инженеров и врачей. - 7-е изд., Т.1. - Л.: Химия, 1976. - pp. 369-371 [Russian]
    8. Гурвич Я.А. Справочник молодого аппаратчика-химика. - М.: Химия, 1991. - pp. 111, 229 [Russian]
    9. Закусов В.В. Фармакология. - М.: Медгиз, 1960. - pp. 65-72 [Russian]
    10. Каррер П. Курс органической химии. - Л.: ГНТИХЛ, 1960. - pp. 114, 118-126 [Russian]
    11. Маркизова Н.Ф., Гребенюк А.Н., Башарин В.А., Бонитенко Е.Ю. Спирты. - С-Пб.: Фолиант, 2004. - pp. 8 [Russian]
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    14. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 198-199 [Russian]
    15. Реутов О.А., Курц А.Л., Бутин К.П. Органическая химия. - 2-е изд., Ч.1. - М.: Бином. Лаборатория знаний, 2005. - pp. 223 [Russian]
    16. Справочник по производству спирта: сырье, технология и технохимконтроль. - 2-е изд, М.: Легкая и пищевая промышленность, 1981. - pp. 80-84 [Russian]
    17. Справочник химика. - 2 изд., Т.1. - Л.-М.: Химия, 1966. - pp. 549 [Russian]
    18. Стабников В.Н. Перегонка и ректификация этилового спирта. - М.: Пищевая промышленность, 1969 [Russian]
    19. Токсикологическая химия. - Под ред. Калетиной Н.И. - ГЭОТАР-Медиа. - pp. 697-722 [Russian]
    20. Токсикологический вестник. - 2004. - №4. - pp. 2-10 [Russian]
    21. Хёрд Ч.Д. Пиролиз соединений углерода. - Л.-М.: ГОНТИ РКТП СССР, 1938. - pp. 138-140 [Russian]
    22. Химическая энциклопедия. - Т. 5. - М.: Советская энциклопедия, 1999. - pp. 501-503 [Russian]
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru