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Properties of substance:
aluminum iodide
Synonyms:
aluminium iodide
Group of substances:
inorganic
Physical appearance:
colorless hexagonal crystals
Empirical formula (Hill's system for organic substances):
AlI
3
Structural formula as text:
AlI3
Molar/atomic mass: 407.69
Melting point (°C):
191
Boiling point (°C):
382
Solubility (g/100 g of solvent):
acetonitrile
: reaction [
Ref.
]
benzene
: 147.3 (110.7°C) [
Ref.
]
carbon disulphide
: soluble [
Ref.
]
carbon tetrachloride
: soluble [
Ref.
]
diethyl ether
: soluble [
Ref.
]
ethanol
: soluble [
Ref.
]
hydrazine
: 1 [
Ref.
]
phosphorus(V) trichloride oxide
: 17 (20°C) [
Ref.
]
propylene carbonate
: very soluble (25°C) [
Ref.
]
pyridine
: 0.82 (25°C) [
Ref.
]
sulfur dioxide
: 0.23 (0°C) [
Ref.
]
tetrahydrofuran
: reaction [
Ref.
]
water
: soluble [
Ref.
]
Hygroscopic:
yes
Density:
3.98 (25°C, g/cm
3
)
Vapour pressure (Torr):
1 (178°C)
10 (225°C)
100 (296°C)
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-313.8 (s)
Standard molar Gibbs energy of formation Δ
f
G
0
(298.15 K, kJ/mol):
-300.8 (s)
Standard molar entropy S
0
(298.15 K, J/(mol·K)):
159 (s)
Molar heat capacity at constant pressure C
p
(298.15 K, J/(mol·K)):
98.7 (s)
Molar enthalpy (heat) of fusion Δ
fus
H (kJ/mol):
15.9
Enthalpy (heat) of vaporization at boiling point Δ
vap
H (kJ/mol)
32.2 (l) [
Ref.
]
Enthalpy (heat) of solution Δ
sol
H (kJ)
-372 (s) [
Ref.
]
References:
Binneweis M., Milke E. Thermochemical Data of Elements and Compounds. - 2ed, 2002. - pp. 36
Dean J.A. Lange's handbook of chemistry. - 1999. - pp. 6.82
Perry D.L. Handbook of Inorganic Compounds. - 2nd ed. - CRC Press, 2011. - pp. 8
Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 91
Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 52 [Russian]
Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 863 [Russian]
Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советская энциклопедия, 1983. - pp. 29 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru