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Properties of substance:
ethanoyl chloride
Synonyms:
acetyl chloride
Group of substances:
organic
Physical appearance:
colorless liquid
Empirical formula (Hill's system for organic substances):
C
2
H
3
ClO
Structural formula as text:
CH3COCl
Molar/atomic mass: 78.5
Melting point (°C):
-112
Boiling point (°C):
51.8
CAS №: 75-36-5
Solubility (g/100 g of solvent):
acetic acid
: miscible [
Ref.
]
acetone
: miscible [
Ref.
]
benzene
: miscible [
Ref.
]
carbon disulphide
: miscible [
Ref.
]
chloroform
: miscible [
Ref.
]
diethyl ether
: miscible [
Ref.
]
ethanol
: reaction [
Ref.
]
hydrogen fluoride
: reaction [
Ref.
]
petroleum ether: miscible [
Ref.
]
toluene
: miscible [
Ref.
]
water
: reaction [
Ref.
]
Density:
1.1051 (20°C, g/cm
3
)
1.106 (21.1°C, g/cm
3
)
1.098 (25°C, g/cm
3
)
1.057 (55.1°C, g/cm
3
)
Reactions:
[
Ref.1
]
CH
3
COCl + ClSO
3
H → CH
3
COOSO
2
Cl + HCl
[
Ref.1
]
C
6
H
5
CH=CH
2
+ CH
3
COCl → C
6
H
5
CHClCH
2
COCH
3
Refractive index (n
D
):
1.38976 (20°C)
Vapour pressure (Torr):
19.1 (-20°C)
79.5 (0°C)
236.8 (20°C)
367.9 (30°C)
537.6 (40°C)
Permittivity (dielectric constant):
15.8 (22°C)
Dipole moment (D):
2.72 (20°C)
Surface tension (mN/m):
26.7 (14.8°C)
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-272.9 (l)
Standard molar Gibbs energy of formation Δ
f
G
0
(298.15 K, kJ/mol):
-208 (l)
Standard molar entropy S
0
(298.15 K, J/(mol·K)):
200.8 (l)
Molar heat capacity at constant pressure C
p
(298.15 K, J/(mol·K)):
117 (l)
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-242.8 (g)
Standard molar Gibbs energy of formation Δ
f
G
0
(298.15 K, kJ/mol):
-205.8 (g)
Standard molar entropy S
0
(298.15 K, J/(mol·K)):
295.1 (g)
Molar heat capacity at constant pressure C
p
(298.15 K, J/(mol·K)):
67.8 (g)
LD
50
(mg/kg):
910 (rats, oral)
References:
CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 3-6
CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-21
Gangolli S. The Dictionary of Substances and their Effects. - 2 ed., Vol. 1, A-B. - RSC, 1999. - pp. 44-46
Lewis R.J. Sax's Dangerous Properties of Industrial Materials. - 11ed. - Wiley-interscience, 2004. - pp. 41-42
Milne G.W.A. Gardner's Commercially Important Chemicals. - Wiley-Interscience, 2005. - pp. 9
Промышленные хлорорганические продукты: Справочник. - М.: Химия, 1978. - pp. 91-93 [Russian]
Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 126-127 [Russian]
Хёрд Ч.Д. Пиролиз соединений углерода. - Л.-М.: ГОНТИ РКТП СССР, 1938. - pp. 557-558 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru
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