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Properties of substance:

2-butyne

Physical appearance:

liquid

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

C4H6

Structural formula as text:

CH3CCCH3

Molar/atomic mass: 54.09

Melting point (°C):

-32.3

Boiling point (°C):

26.97

Solubility (g/100 g of solvent):

water: insoluble [Ref.]
diethyl ether: soluble [Ref.]
ethanol: soluble [Ref.]

Density:

0.6906 (20°C, d4)

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

    119.1 (l)

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

    145.7 (g)

    References:

    1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-25
    2. Волков А.И., Жарский И.М. Большой химический справочник. - Минск: Современная школа, 2005. - pp. 239
    3. Справочник нефтехимика. - Т.1, под ред. Огородникова С.К. - Л.: Химия, 1978. - pp. 462-463
    4. Справочник химика. - Т.2. - Л.-М.: Химия, 1964. - pp. 562-563
    5. Физер Л., Физер М. Органическая химия: Углубленный курс. - Т. 1. - М.: Химия, 1966. - pp. 280
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru