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Properties of substance:

acetamide

Group of substances:

organic

Physical appearance:

colorless needles crystals

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

C2H5NO

Structural formula as text:

CH3CONH2

CAS No: 60-35-5

Molar/atomic mass: 59.067

Melting point (°C):

81-83

Boiling point (°C):

222

Solubility (g/100 g of solvent):

1,1,2-trichloro-1,2,2-trifluoroethane: sparingly soluble [Ref.]
ammonia liquid : very soluble (-33°C) [Ref.]
benzylamine: soluble [Ref.]
chloroform: soluble [Ref.]
dibutylamine: insoluble [Ref.]
diethyl ether: difficulty soluble [Ref.]
diethylamine: sparingly soluble [Ref.]
ethanol: 31.6 (20°C) [Ref.]
ethanol: 325.4 (60°C) [Ref.]
glycerol: very soluble [Ref.]
hydrogen fluoride : very soluble [Ref.]
iodine monochloride: soluble [Ref.]
n-butylamine: soluble [Ref.]
pyridine: 17.75 (20°C) [Ref.]
tributylamine: insoluble [Ref.]
triethylamine: insoluble [Ref.]
water: 97.5 (20°C) [Ref.]
water: 178 (50°C) [Ref.]

Density:

1.159 (20°C, d4)
0.98 (105°C, g/cm3)
0.967 (120°C, g/cm3)

    Dissociation:

    pKBH+ (1) = 0 (25°C, water)
    pKa (1) = 15.1 (20°C, water)

    Permittivity (dielectric constant):

    59.2 (83°C)
    60.6 (94°C)

    Viscosity (mPa·s):

    1.63 (94°C)
    1.32 (105°C)
    1.06 (120°C)

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

    -317 (s)

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

    115 (s)

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

    91.3 (s)

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

    -238.3 (g)

    LD50 (mg/kg):

    30000 (white rats, oral)
    10100 (rats, intraperitoneal)
    9990 (mice, intraperitoneal)

    References:

    1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-22
    2. Gangolli S. The Dictionary of Substances and their Effects. - 2 ed., Vol. 1, A-B. - RSC, 1999. - pp. 17-18
    3. Lewis R.J. Sax's Dangerous Properties of Industrial Materials. - 11ed. - Wiley-interscience, 2004. - pp. 7
    4. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 120-122
    5. Yalkowsky S.H., Yan H., Jain P. Handbook of aqueous solubility data. – 2nd ed. - CRC Press, 2010. - pp. 35
    6. Краткая химическая энциклопедия. - Т. 1: А-Е. - М.: Советская энциклопедия, 1961. - pp. 340 [Russian]
    7. Реутов О.А., Курц А.Л., Бутин К.П. Органическая химия. - 2-е изд., Ч.1. - М.: Бином. Лаборатория знаний, 2005. - pp. 222 [Russian]
    8. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 383 [Russian]
    9. Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 1197-1199 [Russian]
    10. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 452-453 [Russian]
    11. Хёрд Ч.Д. Пиролиз соединений углерода. - Л.-М.: ГОНТИ РКТП СССР, 1938. - pp. 577-578 [Russian]
    12. Химическая энциклопедия. - Т. 1. - М.: Советская энциклопедия, 1988. - pp. 224-225 [Russian]
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru