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Properties of substance:

2,2-dimethylpropane


neopentane;


skc-file

Physical appearance:

gas

Empirical formula (Hill's system):

C5H12

Structural formula:

C(CH3)4

Molar/atomic mass: 72.15

Melting point (°C):

-16.6

Boiling point (°C):

9.5

Solubility (g/100 g of solvent):

water: 0.00332 (25°C) [Ref.]
water: 0.002766 (40°C) [Ref.]
water: 0.001724 (80°C) [Ref.]
diethyl ether: soluble [Ref.]
carbon tetrachloride: soluble [Ref.]
ethanol: soluble [Ref.]

    Permittivity (dielectric constant):

    1.769 (28°C)

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

    -168 (g)

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

    -190.2 (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. Справочник химика. - Т.2. - Л.-М.: Химия, 1964. - pp. 900-901
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru