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Properties of substance:

trans-2-butenal

Group of substances:

organic

Physical appearance:

colorless liquid

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

C4H6O

Structural formula as text:

CH3CH=CHCHO

Molar/atomic mass: 70.09

Melting point (°C):

-69

Boiling point (°C):

102.2

Solubility (g/100 g of solvent):

acetone: very soluble [Ref.]
benzene: miscible [Ref.]
diethyl ether: miscible [Ref.]
ethanol: miscible [Ref.]
toluene: miscible [Ref.]
water: 18.1 (20°C) [Ref.]

Density:

0.848 (20°C, d4)

Reactions:

  1. Yeild 60%. [Ref.1, Ref.2aster]
    CH3CH=CHCHO + HOCH(CH3)2 → CH3CH=CHCH2OH + (CH3)2CO

Refractive index (nD):

1.4366 (20°C)

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

-138.7 (l)

Enthalpy (heat) of vaporization ΔvapH (kJ/mol):

36.13

Heat of combustion (kJ/mol):

3239.5

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

-100.6 (g)

References:

  1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-25
  2. Yalkowsky S.H., Yan H., Jain P. Handbook of aqueous solubility data. – 2nd ed. - CRC Press, 2010. - pp. 94
  3. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 154 [Russian]
  4. Токсикологический вестник. - 1998. - №6. - pp. 36 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru