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Properties of substance:

ethylene

Group of substances:

organic

Physical appearance:

colorless gas

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

C2H4

Structural formula as text:

CH2=CH2

Molar/atomic mass: 28.05

Melting point (°C):

-169.15

Boiling point (°C):

-103.7

Solubility (g/100 g of solvent):

acetone: 0.362 (20°C) [Ref.]
benzene: 0.396 (22°C) [Ref.]
carbon tetrachloride: 0.386 (0°C) [Ref.]
carbon tetrachloride: 0.306 (20°C) [Ref.]
cyclohexanol: 0.039 (26°C) [Ref.]
diethyl ether: soluble [Ref.]
dimethylformamide: 0.19 (25°C) [Ref.]
dimethylsulfoxide: 0.1 (20.3°C) [Ref.]
ethanol: 0.059 (0°C) [Ref.]
ethanol: 0.043 (20°C) [Ref.]
hexane: 0.533 (22°C) [Ref.]
methanol: 0.38 (25°C) [Ref.]
methyl acetate: 0.627 (0°C) [Ref.]
methyl acetate: 0.504 (20°C) [Ref.]
monochlorbenzene: 0.441 (0°C) [Ref.]
monochlorbenzene: 0.343 (20°C) [Ref.]
oxygen liquid: 1.8 [Ref.]
water: 0.0281 (0°C) [Ref.]
water: 0.0237 (5°C) [Ref.]
water: 0.02 (10°C) [Ref.]
water: 0.0171 (15°C) [Ref.]
water: 0.015 (20°C) [Ref.]
water: 0.0131 (25°C) [Ref.]
water: 0.0118 (30°C) [Ref.]

Interatomic distances and bond angles:

Interatomic distances (in pm): 107,6 (C-H)
Interatomic distances (in pm): 133 (C=C)
Bond angles (in degrees): 121,7 (H-C-C)
Bond angles (in degrees): 116,6 (H-C-H)

Density:

0.727 (-183°C, g/cm3)
0.631 (-150°C, g/cm3)
0.6182 (-140°C, g/cm3)
0.6045 (-130°C, g/cm3)
0.591 (-120°C, g/cm3)
0.5772 (-110°C, g/cm3)
0.563 (-100°C, g/cm3)
0.0012594 (0°C, g/cm3)

Vapour pressure (Torr):

0.026 (-183°C)

    Dissociation:

    pKa (1) = 36.5 (20°C, water)

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

    52.4 (g)

    Standard molar Gibbs energy of formation ΔfG0 (298.15 K, kJ/mol):

    68.4 (g)

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

    219.3 (g)

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

    42.9 (g)

    Autoignition temperature (°C):

    540

    References:

    1. Binneweis M., Milke E. Thermochemical Data of Elements and Compounds. - 2ed, 2002. - pp. 261
    2. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-22
    3. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 94-97
    4. Yalkowsky S.H., Yan H. Handbook of aqueous solubility data. - CRC Press, 2003. - pp. 29
    5. Yalkowsky S.H., Yan H., Jain P. Handbook of aqueous solubility data. – 2nd ed. - CRC Press, 2010. - pp. 28
    6. Вацулик П. Химия мономеров. - Т.1. - М.: ИИЛ, 1960. - pp. 37-46 [Russian]
    7. Вредные химические вещества: Углеводороды, галогенпроизводные углеводородов. Справочник. - Л.: Химия, 1990. - pp. 45-49 [Russian]
    8. Гордон А., Форд Р. Спутник химика. - М.: Мир, 1976. - pp. 76 [Russian]
    9. Каррер П. Курс органической химии. - Л.: ГНТИХЛ, 1960. - pp. 60-68 [Russian]
    10. Клименко А.П. Получение этилена из нефти и газа. - М.: ГНТИНиГТЛ, 1962 [Russian]
    11. Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 549-550 [Russian]
    12. Несмеянов А.Н., Несмеянов Н.А. Начала органической химии. - Т.1. - М.: Химия, 1969. - pp. 260-262 [Russian]
    13. Промышленные хлорорганические продукты: Справочник. - М.: Химия, 1978. - pp. 601-603 [Russian]
    14. Рапопорт Ф.М., Ильинская А.А. Лабораторные методы получения чистых газов. - М., 1963. - pp. 330-338 [Russian]
    15. Реутов О.А., Курц А.Л., Бутин К.П. Органическая химия. - 2-е изд., Ч.1. - М.: Бином. Лаборатория знаний, 2005. - pp. 363-364 [Russian]
    16. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 380 [Russian]
    17. Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 1024, 1177-1182 [Russian]
    18. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 1138-1139 [Russian]
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru