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Properties of substance:

p-xylene

Group of substances:

organic

Physical appearance:

colorless liquid

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

C8H10

Structural formula as text:

C6H4(CH3)2

Molar/atomic mass: 106.17

Melting point (°C):

13.26

Boiling point (°C):

138.35

Solubility (g/100 g of solvent):

water: 0.01911 (20°C) [Ref.]
water: 0.05152 (99.99°C) [Ref.]

Density:

0.8611 (20°C, d4)

Refractive index (nD):

1.49582 (20°C)

    Retention indices for gas chromatography:

    866,5 (phase - DB-5, temperature-programmed conditions, 6 K/min)

    Viscosity (mPa·s):

    0.644 (20°C)

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

    -24.443 (l)

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

    247.524 (l)

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

    183.968 (l)

    Enthalpy (heat) of vaporization ΔvapH (kJ/mol):

    42.4

    LD50 (mg/kg):

    3910 (rats, oral)

    Critical temperature (°C):

    345

    Critical pressure (MPa):

    3.44

    Critical density (g/cm3):

    0.29

    References:

    1. Yalkowsky S.H., Yan H. Handbook of aqueous solubility data. - CRC Press, 2003. - pp. 491-492
    2. Вредные химические вещества: Углеводороды, галогенпроизводные углеводородов. Справочник. - Л.: Химия, 1990. - pp. 160 [Russian]
    3. Промышленные хлорорганические продукты: Справочник. - М.: Химия, 1978. - pp. 627-628 [Russian]
    4. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 155 [Russian]
    5. Химическая энциклопедия. - Т. 2. - М.: Советская энциклопедия, 1990. - pp. 550 [Russian]
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru