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Properties of substance:

N,N-dimethylacetamide

Group of substances:

organic

Physical appearance:

colorless liquid

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

C4H9NO

Structural formula as text:

CH3CON(CH3)2

Molar/atomic mass: 87.1204

Melting point (°C):

-20

Boiling point (°C):

165.5

Solubility (g/100 g of solvent):

organic solvents: soluble [Ref.]
water: 52.89 (4.5°C) [Ref.]

Density:

0.9366 (25°C, g/cm3)

Refractive index (nD):

1.4356 (20°C)

Dissociation:

pKBH+ (1) = 0.19 (20°C, water)

Permittivity (dielectric constant):

37.8 (25°C)

Dipole moment (D):

3.79 (20°C)

Viscosity (mPa·s):

0.919 (25°C)

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

-278.3 (l)

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

175.6 (l)

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

-228 (g)

LD50 (mg/kg):

4300-5200 (rats, oral)
4200-4850 (mice, oral)

References:

  1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-27
  2. Yalkowsky S.H., Yan H., Jain P. Handbook of aqueous solubility data. – 2nd ed. - CRC Press, 2010. - pp. 121
  3. Вредные вещества в промышленности: Справочник для химиков, инженеров и врачей. - 7-е изд., Т.2. - Л.: Химия, 1976. - pp. 39 [Russian]
  4. Гутман В. Химия координационных соединений в неводных растворах. - М.: Мир, 1971. - pp. 196-197 [Russian]
  5. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 144 [Russian]
  6. Свойства органических соединений: Справочник. - Под ред. Потехина А.А. - Л.: Химия, 1984. - pp. 358-359 [Russian]
  7. Химическая энциклопедия. - Т. 2. - М.: Советская энциклопедия, 1990. - pp. 62 [Russian]
  8. Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советская энциклопедия, 1983. - pp. 169 [Russian]
  9. Шефтель В.О. Полимерные материалы: Токсические свойства. - Л.: Химия, 1982. - pp. 107-108 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru