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Properties of substance:

1,2-dibromoethane

Synonyms:

1,2-dibromoethane

Group of substances:

organic

Physical appearance:

colorless liquid

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

C2H4Br2

Structural formula as text:

CH2BrCH2Br

Molar/atomic mass: 187.87

Melting point (°C):

9.79

Boiling point (°C):

131.36

Solubility (g/100 g of solvent):

acetone: soluble [Ref.]
ammonia liquid : soluble [Ref.]
benzene: soluble [Ref.]
diethyl ether: miscible [Ref.]
ethanol: soluble [Ref.]
water: 0.25 (0°C) [Ref.]
water: 0.43 (20°C) [Ref.]
water: 0.5292 (50°C) [Ref.]
water: 0.78 (75°C) [Ref.]

Density:

2.1901 (10°C, d4)
2.1816 (20°C, d4)
2.159 (30°C, d4)
2.113 (50°C, d4)
1.996 (100°C, d4)
1.923 (130°C, d4)

Reactions:

  1. Yeild 69%. [Ref.1]
    BrCH2CH2Br + 2KSH → HSCH2CH2SH + 2KBr

Refractive index (nD):

1.5388 (20°C)

Vapour pressure (Torr):

10 (29.1°C)
14 (34°C)

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

-38.3 (g)

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

-79.2 (l)

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

223.3 (l)

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

136 (l)

References:

  1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-22
  2. Journal of Physical and Chemical Reference Data. - 1999. - Vol. 28, No. 2. - pp. 551-565
  3. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 97
  4. Yalkowsky S.H., Yan H., Jain P. Handbook of aqueous solubility data. – 2nd ed. - CRC Press, 2010. - pp. 28
  5. Свойства органических соединений: Справочник. - Под ред. Потехина А.А. - Л.: Химия, 1984. - pp. 434-435 [Russian]
  6. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 381 [Russian]
  7. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 1142-1143 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru