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Properties of substance:

propan-1-ol



skc-file

Synonyms:

1-propanol
n-propanol

Group of substances:

organic

Physical appearance:

colorless liquid

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

C3H8O

Structural formula as text:

CH3CH2CH2OH

CAS No: 71-23-8

Molar/atomic mass: 60.095

Melting point (°C):

-126.2

Boiling point (°C):

97.2

Solubility (g/100 g of solvent):

acetone: soluble [Ref.]
benzene: very soluble [Ref.]
carbon dioxide liquid: 135.3 (-30°C) [Ref.]
carbon dioxide liquid: 57.5 (-24°C) [Ref.]
diethyl ether: miscible [Ref.]
ethanol: miscible [Ref.]
hydrogen fluoride : very soluble [Ref.]
water: miscible [Ref.]

Multicomponent solubility (in wt%):

(layer 1): water 31.01%, 1-propanol 68.47%, potash 0.42%, (layer 2): water 77.92%, 1-propanol 6.94%, potash 15.14%, 25 °C [Ref.]
(layer 1): water 16.42%, 1-propanol 83.35%, potash 0.23%, (layer 2): water 69.43%, 1-propanol 0.56%, potash 30.01%, 25 °C [Ref.]
(layer 1): water 10.06%, 1-propanol 89.91%, potash 0.13%, (layer 2): water 55.71%, 1-propanol 0.%, potash 44.29%, 25 °C [Ref.]

Properties of solutions:

2% (wt.), solvent - water
  Flash point (°C) = 66.
5% (wt.), solvent - water
  Flash point (°C) = 50.
20% (wt.), solvent - water
  Flash point (°C) = 34.
30% (wt.), solvent - water
  Flash point (°C) = 32.
32% (wt.), solvent - water
  Dynamic viscosity (mPa·s) = 2.765 (20°)
  Density (g/cm3) = 0.9452 (20°)
  Index of refraction = 1.3592 (20°)
  Freezing point (°C) = -10.66
40% (wt.), solvent - water
  Flash point (°C) = 34.
50% (wt.), solvent - water
  Flash point (°C) = 32.
80% (wt.), solvent - water
  Flash point (°C) = 31.
85% (wt.), solvent - water
  Flash point (°C) = 30.
90% (wt.), solvent - water
  Flash point (°C) = 28.

Numerical data:

Flash point (°C): 23
Flash point (°C): 29

Density:

0.8044 (20°C, g/cm3)

    Permittivity (dielectric constant):

    20.7 (20°C)

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

    -255.1 (g)

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

    322.6 (g)

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

    85.6 (g)

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

    -302.6 (l)

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

    193.6 (l)

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

    143.9 (l)

    Enthalpy (heat) of solution ΔsolH (J/mol)

    1715 (l) [solvent: acetone, 25 C, 1 mol substance : 1 mol solvent] [Ref.]

    LD50 (mg/kg):

    2260 (rats, oral)

    Critical temperature (°C):

    263.7

    Critical pressure (MPa):

    5.1

    References:

    1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-25
    2. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 205-208
    3. Smallwood I.M. Handbook of organic solvent properties. - 1996. - pp. 69-71
    4. Гурвич Я.А. Справочник молодого аппаратчика-химика. - М.: Химия, 1991. - pp. 229 [Russian]
    5. Корольченко А.Я., Корольченко Д.А. Пожаровзрывоопасность веществ и материалов и средства их тушения. - 2 изд, Ч.2. - М.: Ассоциация Пожнаука, 2004. - pp. 364 [Russian]
    6. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 175 [Russian]
    7. Химическая энциклопедия. - Т. 4. - М.: Советская энциклопедия, 1995. - pp. 106 [Russian]
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru