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Properties of substance:

vinylacetylene

Synonyms:

buten-3-yne

Group of substances:

organic

Physical appearance:

colorless gas

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

C4H4

Structural formula as text:

CH2=CH-CCH

Molar/atomic mass: 52.08

Melting point (°C):

-138

Boiling point (°C):

5

Solubility (g/100 g of solvent):

acetone: 90.2 (25°C) [Ref.]
benzene: soluble [Ref.]
dimethylformamide: 66 (25°C) [Ref.]
methanol: 25.5 (25°C) [Ref.]
oxygen liquid: 0.000041 (-183°C) [Ref.]
water: insoluble [Ref.]

Density:

0.7095 (0°C, d0)

Refractive index (nD):

1.4161 (1°C)

Standard molar enthalpy (heat) of formation ΔfH (298 K, kJ/mol)

143.5 (g) [Ref.]

References:

  1. Bretherick's Handbook of Reactive Chemical Hazards. - 6 ed., Vol. 1. - Butterworth-Heinemann, 1999. - pp. 485-486
  2. Свойства органических соединений: Справочник. - Под ред. Потехина А.А. - Л.: Химия, 1984. - pp. 172-173 [Russian]
  3. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 554-555 [Russian]
  4. Физико-химические свойства индивидуальных углеводородов. - М.: ГНТИНГТЛ, 1960. - pp. 20-21 [Russian]
  5. Химическая энциклопедия. - Т. 1. - М.: Советская энциклопедия, 1988. - pp. 369 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru