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Properties of substance:

bromoethane



skc-file

Synonyms:

ethyl bromide

Group of substances:

organic

Physical appearance:

colorless liquid

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

C2H5Br

Structural formula as text:

CH3CH2Br

Molar/atomic mass: 108.97

Melting point (°C):

-125.5

Boiling point (°C):

38.4

Solubility (g/100 g of solvent):

1,1,2-trichloro-1,2,2-trifluoroethane: soluble [Ref.]
ammonia liquid : soluble [Ref.]
chloroform: miscible [Ref.]
diethyl ether: 632 (-13°C) [Ref.]
diethyl ether: 561 (0°C) [Ref.]
diethyl ether: 462 (12°C) [Ref.]
diethyl ether: 302 (22.5°C) [Ref.]
diethyl ether: 253 (32°C) [Ref.]
ethanol: miscible [Ref.]
water: 1.08 (0°C) [Ref.]
water: 0.96 (17.5°C) [Ref.]
water: 0.914 (20°C) [Ref.]

Density:

1.50138 (0°C, g/cm3)
1.4555 (20°C, g/cm3)
1.413 (38.4°C, d4)

Reactions of synthesis:

  1. Ethane is brominated by tribromomethane or tetrabromomethane in the presence of aluminum bromide for 6 h at 55-65 °C form ethylbromide. Yeild 60%. [Ref.1]
    C2H6 + CHBr3 → C2H5Br + CH2Br2

Reactions:

  1. Yeild 89%. [Ref.1]
    C2H5Br + KSH → C2H5SH + KBr

Refractive index (nD):

1.42386 (20°C)

Vapour pressure (Torr):

158 (0°C)
257 (10°C)
387 (20°C)
565 (30°C)

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

-90.5 (l)

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

-25.8 (l)

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

198.7 (l)

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

100.8 (l)

Flash point (°C):

-25

Autoignition temperature (°C):

455

Heat of combustion (kJ/mol):

1424.8

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

-61.9 (g)

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

-23.9 (g)

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

286.7 (g)

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

64.5 (g)

References:

  1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-22
  2. Dean J.A. Lange's handbook of chemistry. - 1999. - pp. 1.120
  3. Journal of Physical and Chemical Reference Data. - 1999. - Vol. 28, No. 2. - pp. 610-613
  4. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 118
  5. Yalkowsky S.H., Yan H., Jain P. Handbook of aqueous solubility data. – 2nd ed. - CRC Press, 2010. - pp. 33
  6. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 197 [Russian]
  7. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 383 [Russian]
  8. Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 1197 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru