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Properties of substance:
1-phenylethanone
skc-file
Synonyms:
acetophenone
Group of substances:
organic
Physical appearance:
colorless liquid
Empirical formula (Hill's system for organic substances):
C
8
H
8
O
Structural formula as text:
C6H5C(O)CH3
Molar/atomic mass: 120.15
Melting point (°C):
19.62
Boiling point (°C):
202.3
Solubility (g/100 g of solvent):
acetone
: soluble [
Ref.
]
ammonia liquid
: soluble (-33°C) [
Ref.
]
benzene
: soluble [
Ref.
]
chloroform
: soluble [
Ref.
]
diethyl ether
: soluble [
Ref.
]
diethylamine
: miscible [
Ref.
]
ethanol
: 106.6 (0.2°C) [
Ref.
]
ethanol
: 852.4 (11°C) [
Ref.
]
ethanol
: miscible (25°C) [
Ref.
]
glycerol
: soluble [
Ref.
]
hydrogen fluoride
: very soluble [
Ref.
]
n-butylamine
: miscible [
Ref.
]
tributylamine
: miscible [
Ref.
]
water
: 0.5371 (25°C) [
Ref.
]
water
: 0.7937 (60°C) [
Ref.
]
Density:
1.0281 (20°C, g/cm
3
)
1.01947 (30°C, g/cm
3
)
1.015 (35°C, g/cm
3
)
1.0106 (40°C, g/cm
3
)
1.0063 (45°C, g/cm
3
)
1.0021 (50°C, g/cm
3
)
0.9978 (55°C, g/cm
3
)
Reactions:
Yeild 75-81%. [
Ref.1
]
C
6
H
5
COCH
3
+ CH
3
CHBrCOOC
2
H
5
+ Zn → C
6
H
5
C(CH
3
)(OZnBr)CH(CH
3
)COOC
2
H
5
C
6
H
5
C(CH
3
)(OZnBr)CH(CH
3
)COOC
2
H
5
+ H
2
SO
4
→ C
6
H
5
C(CH
3
)(OH)CH(CH
3
)COOC
2
H
5
+ ZnSO
4
+ HBr
Yeild 60%. [
Ref.1
]
C
6
H
5
COCH
3
+ CH
2
O + HN(CH
3
)
2
* HCl → C
6
H
5
COCH
2
CH
2
N(CH
3
)
2
+ HCl + H
2
O
[
Ref.1
]
C
6
H
5
COCH
3
+ I
2
+ 2C
5
H
5
N → [C
6
H
5
COCH
2
NC
5
H
5
]I + C
5
H
5
NHI
Refractive index (n
D
):
1.53718 (20°C)
Vapour pressure (Torr):
10 (79°C)
Dissociation:
pK
a
(1) = 19 (20°C, water)
Retention indices for gas chromatography:
1041,5 (phase - 100% dimethylsilicone)
1067,4 (phase - dimethylsilicone with 5% phenyl groups)
Permittivity (dielectric constant):
17.39 (25°C)
8.64 (202°C)
Dipole moment (D):
3.02 (20°C)
Viscosity (mPa·s):
1.511 (30°C)
1.3992 (35°C)
1.1922 (45°C)
1.132 (48°C)
Enthalpy (heat) of vaporization Δ
vap
H (kJ/mol):
38.79
Heat of combustion (kJ/mol):
4137.6
LD
50
(mg/kg):
2650 (white rats, oral)
1250 (mice, oral)
Spectral properties of the substance:
Ultraviolet/visible spectrum (maximum in nm, layer thickness 1 cm, in parentheses - extinction) = 242 (126)
Ultraviolet/visible spectrum (maximum in nm, layer thickness 1 cm, in parentheses - extinction) = 279 (105)
Ultraviolet/visible spectrum (maximum in nm, layer thickness 1 cm, in parentheses - extinction) = 318 (6)
References:
CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 8-87
Gangolli S. The Dictionary of Substances and their Effects. - 2 ed., Vol. 1, A-B. - RSC, 1999. - pp. 38-39
Lewis R.J. Sax's Dangerous Properties of Industrial Materials. - 11ed. - Wiley-interscience, 2004. - pp. 26
Milne G.W.A. Gardner's Commercially Important Chemicals. - Wiley-Interscience, 2005. - pp. 8
Yalkowsky S.H., Yan H. Handbook of aqueous solubility data. - CRC Press, 2003. - pp. 473
Гордон А., Форд Р. Спутник химика. - М.: Мир, 1976. - pp. 77 [Russian]
Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 127 [Russian]
Свойства органических соединений: Справочник. - Под ред. Потехина А.А. - Л.: Химия, 1984. - pp. 32-33 [Russian]
Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 1228 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru
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