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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):
C
2
H
5
Br
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/cm
3
)
1.4555 (20°C, g/cm
3
)
1.413 (38.4°C, d
4
)
Reactions of synthesis:
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
]
C
2
H
6
+ CHBr
3
→ C
2
H
5
Br + CH
2
Br
2
Reactions:
Yeild 89%. [
Ref.1
]
C
2
H
5
Br + KSH → C
2
H
5
SH + KBr
Refractive index (n
D
):
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 Δ
f
H
0
(298.15 K, kJ/mol):
-90.5 (l)
Standard molar Gibbs energy of formation Δ
f
G
0
(298.15 K, kJ/mol):
-25.8 (l)
Standard molar entropy S
0
(298.15 K, J/(mol·K)):
198.7 (l)
Molar heat capacity at constant pressure C
p
(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 Δ
f
H
0
(298.15 K, kJ/mol):
-61.9 (g)
Standard molar Gibbs energy of formation Δ
f
G
0
(298.15 K, kJ/mol):
-23.9 (g)
Standard molar entropy S
0
(298.15 K, J/(mol·K)):
286.7 (g)
Molar heat capacity at constant pressure C
p
(298.15 K, J/(mol·K)):
64.5 (g)
References:
CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-22
Dean J.A. Lange's handbook of chemistry. - 1999. - pp. 1.120
Journal of Physical and Chemical Reference Data. - 1999. - Vol. 28, No. 2. - pp. 610-613
Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 118
Yalkowsky S.H., Yan H., Jain P. Handbook of aqueous solubility data. – 2nd ed. - CRC Press, 2010. - pp. 33
Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 197 [Russian]
Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 383 [Russian]
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