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Properties of substance:

2-methylpropane



skc-file

Synonyms:

isobutane

Physical appearance:

colorless gas

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

C4H10

Structural formula as text:

(CH3)2CHCH3

Molar/atomic mass: 58.12

Melting point (°C):

-159.6

Boiling point (°C):

-11.7

Solubility (g/100 g of solvent):

water: 0.00489 (25°C) [Ref.]
diethyl ether: soluble [Ref.]
hydrogen fluoride : 1.99 (0°C) [Ref.]
chloroform: soluble [Ref.]
ethanol: soluble [Ref.]

Vapour pressure (Torr):

1 (-109.6°C)
10 (-86.6°C)
40 (-68.5°C)
100 (-54.1°C)
400 (-27°C)

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

    -134.2 (g)

    Autoignition temperature (°C):

    460

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

    -154.2 (l)

    Critical temperature (°C):

    134.98

    Critical pressure (MPa):

    3.534

    References:

    1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-27
    2. Yalkowsky S.H., Yan H., Jain P. Handbook of aqueous solubility data. – 2nd ed. - CRC Press, 2010. - pp. 125
    3. Корольченко А.Я., Корольченко Д.А. Пожаровзрывоопасность веществ и материалов и средства их тушения. - 2 изд, Ч.1. - М.: Ассоциация Пожнаука, 2004. - pp. 555
    4. Справочник химика. - 2 изд., Т.1. - Л.-М.: Химия, 1966. - pp. 628
    5. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 672-673
    6. Токсикологический вестник. - 2000. - №3. - pp. 38-39
    7. Химическая энциклопедия. - Т. 1. - М.: Советская энциклопедия, 1988. - pp. 331
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru