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Properties of substance:

2-butanol



skc-file

Synonyms:

2-hydroxy-butane
s-butanol

Group of substances:

organic

Physical appearance:

colorless liquid

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

C4H10O

Structural formula as text:

CH3CH2CH(CH3)OH

CAS No: 78-92-2

Molar/atomic mass: 74.12199

Melting point (°C):

-114.7

Boiling point (°C):

99.5

Solubility (g/100 g of solvent):

acetone: very soluble [Ref.]
benzene: soluble [Ref.]
diethyl ether: miscible [Ref.]
ethanol: miscible [Ref.]
water: 11.11 (20°C) [Ref.]
water: 13.04 (85°C) [Ref.]
water: 13.42 (90.04°C) [Ref.]

Density:

0.8063 (20°C, g/cm3)

    Permittivity (dielectric constant):

    15.8 (20°C)

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

    -342.6 (l)

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

    214.9 (l)

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

    196.9 (l)

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

    -292.8 (g)

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

    359.5 (g)

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

    112.7 (g)

    LD50 (mg/kg):

    4893 (rabbits, oral)
    6480 (rats, oral)
    138 (rats, intravenous)
    1193 (rats, intraperitoneal)
    764 (mice, intravenous)

    References:

    1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-27
    2. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 268-270
    3. Smallwood I.M. Handbook of organic solvent properties. - 1996. - pp. 85-87
    4. Yalkowsky S.H., Yan H., Jain P. Handbook of aqueous solubility data. – 2nd ed. - CRC Press, 2010. - pp. 132
    5. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 134 [Russian]
    6. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 407-408 [Russian]
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru