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Properties of substance:

2-methylbutane



skc-file

Synonyms:

isopentane

Physical appearance:

colorless liquid

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

C5H12

Structural formula as text:

(CH3)2CHCH2CH3

Molar/atomic mass: 72.146

Melting point (°C):

-159.89

Boiling point (°C):

27.85

Solubility (g/100 g of solvent):

water: 0.0048 (25°C) [Ref.]
diethyl ether: miscible [Ref.]
ethanol: miscible [Ref.]

Density:

0.6201 (20°C, d4)

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

    -153.6 (g)

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

    -178.4 (l)

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

    260.4 (l)

    Molar heat capacity at constant pressure Cp (298.15 K, J/mol·K):

    164.8 (l)

    References:

    1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-30
    2. Yalkowsky S.H., Yan H., Jain P. Handbook of aqueous solubility data. – 2nd ed. - CRC Press, 2010. - pp. 177
    3. Свойства органических соединений: Справочник. - Под ред. Потехина А.А. - Л.: Химия, 1984. - pp. 132-133
    4. Химическая энциклопедия. - Т. 3. - М.: Советская энциклопедия, 1992. - pp. 460
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru