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Properties of substance:

formamide

Group of substances:

organic

Physical appearance:

colorless liquid

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

CH3NO

Structural formula as text:

HCONH2

Molar/atomic mass: 45.0406

Melting point (°C):

2.55

Boiling point (°C):

210.7

Solubility (g/100 g of solvent):

benzene: sparingly soluble [Ref.]
diethyl ether: sparingly soluble [Ref.]
ethanol: miscible [Ref.]
sulfolane: miscible [Ref.]
water: miscible [Ref.]

Density:

1.1334 (20°C, g/cm3)

Reactions:

  1. Yeild 57%. [Ref.1aster]
    CH3(CH2)4CH=CH2 + HCOONH2 → CH3(CH2)6CONH2

Refractive index (nD):

1.44754 (20°C)

Surface tension (mN/m):

57.03 (25°C)

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

-254 (l)

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

-193.9 (g)

LD50 (mg/kg):

5600 (rats, oral)
1250 (guinea pig, oral)
3100 (mice, oral)

References:

  1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-20
  2. Journal of the Chemical Society. - 1931. - pp. 3257-3263 [DOI: 10.1039/JR9310003257]
  3. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 35-36
  4. Гутман В. Химия координационных соединений в неводных растворах. - М.: Мир, 1971. - pp. 69-71 [Russian]
  5. Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 562-563 [Russian]
  6. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 189 [Russian]
  7. Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 1118 [Russian]
  8. Хёрд Ч.Д. Пиролиз соединений углерода. - Л.-М.: ГОНТИ РКТП СССР, 1938. - pp. 574 [Russian]
  9. Химия и жизнь. - 1990. - №5. - pp. 82 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru