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Properties of substance:

1-butylamine

Group of substances:

organic

Physical appearance:

colorless liquid

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

C4H11N

Structural formula as text:

CH3CH2CH2CH2NH2

CAS No: 103-73-9

Molar/atomic mass: 73.14

Melting point (°C):

-50.5

Boiling point (°C):

77.8

Solubility (g/100 g of solvent):

diethyl ether: soluble [Ref.]
ethanol: soluble [Ref.]
ethylene glycol : 78.6 (4.5°C) [Ref.]
water: 0.2384 (25°C) [Ref.]

Density:

0.7414 (20°C, g/cm3)

Refractive index (nD):

1.4044 (20°C)

    Dissociation:

    pKBH+ (1) = 10.78 (25°C, water)

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

    -127.6 (l)

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

    179.2 (l)

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

    -91.9 (g)

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

    2510 (l) [solvent: 1-butanol, 25 C, 0,5319 mol substance : 0,4601 mol solvent] [Ref.]

    LD50 (mg/kg):

    500 (rats, oral)

    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. 280-281
    3. Yalkowsky S.H., Yan H., Jain P. Handbook of aqueous solubility data. – 2nd ed. - CRC Press, 2010. - pp. 134
    4. Вредные вещества в промышленности: Справочник для химиков, инженеров и врачей. - 7-е изд., Т.2. - Л.: Химия, 1976. - pp. 228 [Russian]
    5. Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 1357 [Russian]
    6. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 558-559 [Russian]
    7. Токсикологический вестник. - 2008. - №2. - pp. 41 [Russian]
    8. Химическая энциклопедия. - Т. 1. - М.: Советская энциклопедия, 1988. - pp. 333 [Russian]
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru