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Properties of substance:

1,2-butadiene

Group of substances:

organic

Physical appearance:

colorless gas

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

C4H6

Structural formula as text:

CH2=C=CHCH3

Molar/atomic mass: 54.09

Melting point (°C):

-136.19

Boiling point (°C):

10.85

Solubility (g/100 g of solvent):

benzene: very soluble [Ref.]
diethyl ether: miscible [Ref.]
ethanol: miscible [Ref.]
water: insoluble [Ref.]

Density:

0.676 (0°C, g/cm3)

Refractive index (nD):

1.4205 (1.3°C)

Dipole moment (D):

0.403 (20°C)

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

165.48 (g)

Standard molar Gibbs energy of formation ΔfG0 (298.15 K, kJ/mol):

201.71 (g)

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

293 (g)

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

138.6 (l)

Critical temperature (°C):

173.5

Critical pressure (MPa):

4.46

References:

  1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-25
  2. Краткая химическая энциклопедия. - Т. 3: Мальтаза-Пиролиз. - М.: Советская энциклопедия, 1964. - pp. 179-180 [Russian]
  3. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 132 [Russian]
  4. Успехи химии. - 1964. - Т.33, №1. - pp. 7 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru