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Properties of substance:

N,N-dimethylformamide

Synonyms:

DMF

Group of substances:

organic

Physical appearance:

colorless liquid

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

C3H7NO

Structural formula as text:

HCON(CH3)2

Molar/atomic mass: 73.09

Melting point (°C):

-61

Boiling point (°C):

153

Solubility (g/100 g of solvent):

acetone: miscible [Ref.]
carbon disulphide: miscible [Ref.]
diethyl ether: miscible [Ref.]
ethanol: miscible [Ref.]
water: miscible [Ref.]

Numerical data:

Year of discovery: 1893

Density:

0.9445 (25°C, g/cm3)

Refractive index (nD):

1.4269 (25°C)

Vapour pressure (Torr):

39 (76°C)

    Permittivity (dielectric constant):

    36.71 (25°C)

    Dipole moment (D):

    3.82 (20°C)

    Viscosity (mPa·s):

    0.795 (25°C)

    Flash point (°C):

    59

    Autoignition temperature (°C):

    420

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

    -239.3 (l)

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

    150.6 (l)

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

    -192.4 (g)

    LD50 (mg/kg):

    3750-7000 (white mice, oral)
    4600 (rats, oral)

    References:

    1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-24
    2. Organic Process Research and Development. - 2020. Vol. 24, No. 9. - pp. 1586-1601 [DOI: 10.1021/acs.oprd.0c00330]
    3. Гурвич Я.А. Справочник молодого аппаратчика-химика. - М.: Химия, 1991. - pp. 185 [Russian]
    4. Гутман В. Химия координационных соединений в неводных растворах. - М.: Мир, 1971. - pp. 194-196 [Russian]
    5. Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 563 [Russian]
    6. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 144 [Russian]
    7. Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советская энциклопедия, 1983. - pp. 172 [Russian]
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru