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Properties of substance:
chloral hydrate
Group of substances:
organic
Physical appearance:
colorless monoclinic crystals
Empirical formula (Hill's system for organic substances):
C
2
H
3
Cl
3
O
2
Structural formula as text:
CCl3CH(OH)2
Molar/atomic mass: 165.41
Melting point (°C):
51.7
Boiling point (°C):
97.5
Decomposition temperature (°C):
98
Solubility (g/100 g of solvent):
acetone
: very soluble [
Ref.
]
benzene
: sparingly soluble [
Ref.
]
carbon disulphide
: 1.47 (20°C) [
Ref.
]
chloroform
: 3.8 (0°C) [
Ref.
]
chloroform
: 5.2 (10°C) [
Ref.
]
chloroform
: 15.5 (20°C) [
Ref.
]
chloroform
: 65 (27.7°C) [
Ref.
]
diethyl ether
: 200 (25°C) [
Ref.
]
ethanol
: 188 (0°C) [
Ref.
]
ethanol
: 200 (5°C) [
Ref.
]
ethanol
: 425 (20°C) [
Ref.
]
ethanol
: 950 (30°C) [
Ref.
]
ethanol
: 5600 (45°C) [
Ref.
]
glycerol
: 200 (20°C) [
Ref.
]
pyridine
: 80.9 (20°C) [
Ref.
]
quinoline
: 12.56 (20°C) [
Ref.
]
toluene
: 3.25 (0°C) [
Ref.
]
toluene
: 8 (10°C) [
Ref.
]
toluene
: 21 (20°C) [
Ref.
]
toluene
: 77 (35°C) [
Ref.
]
toluene
: 200 (45°C) [
Ref.
]
water
: 239 (0°C) [
Ref.
]
water
: 292 (5°C) [
Ref.
]
water
: 470 (17°C) [
Ref.
]
water
: 1005 (30°C) [
Ref.
]
water
: 1430 (40°C) [
Ref.
]
Density:
1.9081 (20°C, g/cm
3
)
1.619 (50°C, g/cm
3
)
1.575 (66°C, d
4
)
Vapour pressure (Torr):
764 (96.3°C)
Dissociation:
pK
a
(1) = 11.3 (18°C, water)
Dipole moment (D):
2.07 (20°C)
Molar enthalpy (heat) of fusion Δ
fus
H (kJ/mol):
22.96
LD
50
(mg/kg):
479 (rats, oral)
1100 (mice, oral)
530 (mice, intravenous)
References:
CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 3-96
Kleemann A. Pharmaceutical Substances. - 2000. - pp. 423
Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 92-93
Беликов В.Г. Учебное пособие по фармацевтической химии. - М.: Медицина, 1979. - pp. 107 [Russian]
Промышленные хлорорганические продукты: Справочник. - М.: Химия, 1978. - pp. 166-167 [Russian]
Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 192 [Russian]
Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 379 [Russian]
Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 1175-1176 [Russian]
Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советская энциклопедия, 1983. - pp. 657 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru