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Properties of substance:
antimony(III) iodide
Synonyms:
antimony triiodide
Group of substances:
inorganic
Physical appearance:
red hexagonal crystals
Empirical formula (Hill's system for organic substances):
I
3
Sb
Structural formula as text:
SbI3
Molar/atomic mass: 502.47
Melting point (°C):
170.5
Boiling point (°C):
401.6
Solubility (g/100 g of solvent):
acetone
: soluble [
Ref.
]
arsenic trichloride
: soluble [
Ref.
]
benzene
: soluble [
Ref.
]
carbon disulphide
: soluble [
Ref.
]
carbon tetrachloride
: insoluble [
Ref.
]
chloroform
: insoluble [
Ref.
]
dimethylamine
: very soluble [
Ref.
]
ethanol
: insoluble [
Ref.
]
ethanol 80%
: reaction [
Ref.
]
iodine liquid
: soluble [
Ref.
]
methylene iodide
: 11.3 (12°C) [
Ref.
]
oil of turpentine: insoluble [
Ref.
]
phosphorus trichloride
: soluble [
Ref.
]
phosphorus(V) trichloride oxide
: soluble [
Ref.
]
sulfur dioxide
: 0.013 (0°C) [
Ref.
]
tin tetrachloride
: soluble [
Ref.
]
trimethylamine
: insoluble [
Ref.
]
water
: reaction [
Ref.
]
Density:
4.92 (22°C, g/cm
3
)
Reactions of synthesis:
[
Ref.1
]
2Sb + 3I
2
→ 2SbI
3
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-100.4 (s)
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-7.9 (g)
Standard molar entropy S
0
(298.15 K, J/(mol·K)):
399.6 (g)
Molar heat capacity at constant pressure C
p
(298.15 K, J/(mol·K)):
81.6 (g)
Molar enthalpy (heat) of fusion Δ
fus
H (kJ/mol):
18
Enthalpy (heat) of vaporization Δ
vap
H (kJ/mol):
61
References:
Comey A. M., Hahn D. A. A dictionary of Chemical Solubilities Inorganic. - 2 ed. - New York, The MacMillan Company, 1921. - pp. 50
Inorganic Syntheses. - Vol. 1. - New York and London, 1939. - pp. 104-105
Lewis R.J. Sax's Dangerous Properties of Industrial Materials. - 11ed. - Wiley-interscience, 2004. - pp. 283
Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 1482-1483
Гринвуд Н., Эрншо А. Химия элементов. - Т.1. - М.: БИНОМ. Лаборатория знаний, 2008. - pp. 522 [Russian]
Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 196-197 [Russian]
Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 955-956 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru