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Properties of substance:
rubidium chloride
Group of substances:
inorganic
Physical appearance:
colorless cubic crystals
Empirical formula (Hill's system for organic substances):
ClRb
Structural formula as text:
RbCl
Molar/atomic mass: 120.92
Melting point (°C):
717
Boiling point (°C):
1390
Solubility (g/100 g of solvent):
1-propanol
: 0.015 (25°C) [
Ref.
]
acetone
: 0.00021 (18°C) [
Ref.
]
acetone
: 0.00024 (37°C) [
Ref.
]
acetonitrile
: 0.0034 (18°C) [
Ref.
]
acetonitrile
: 0.0036 (25°C) [
Ref.
]
acetophenone
: sparingly soluble [
Ref.
]
ammonia liquid
: 0.29 (0°C) [
Ref.
]
amyl alcohol
: 0.0025 (25°C) [
Ref.
]
antimony trichloride
: soluble [
Ref.
]
bromine liquid
: 0.015 (25°C) [
Ref.
]
butyl acetate
: sparingly soluble [
Ref.
]
ethanol
: 0.078 (25°C) [
Ref.
]
ethyl acetate
: sparingly soluble [
Ref.
]
formic acid
: 60.2 (18°C) [
Ref.
]
formic acid
: 56.9 (25°C) [
Ref.
]
hydrazine
: 5 (20°C) [
Ref.
]
i-amyl alcohol
: 0.027 (25°C) [
Ref.
]
iodine monochloride
: soluble [
Ref.
]
methanol
: 0.86 (0°C) [
Ref.
]
methanol
: 1.299 (25°C) [
Ref.
]
methanol
: 1.423 (50°C) [
Ref.
]
methyl ethyl ketone
: sparingly soluble [
Ref.
]
monochlorbenzene
: insoluble [
Ref.
]
phosphorus(V) trichloride oxide
: 0.053 (20°C) [
Ref.
]
pyridine
: insoluble [
Ref.
]
selenium(IV) oxychloride
: 3.56 (25°C) [
Ref.
]
sulfur dioxide
: 0.329 (0°C) [
Ref.
]
water
: 77 (0°C) [
Ref.
]
water
: 84.4 (10°C) [
Ref.
]
water
: 91.1 (20°C) [
Ref.
]
water
: 94.2 (25°C) [
Ref.
]
water
: 97.6 (30°C) [
Ref.
]
water
: 103.5 (40°C) [
Ref.
]
water
: 115.5 (60°C) [
Ref.
]
water
: 127.2 (80°C) [
Ref.
]
water
: 138.9 (100°C) [
Ref.
]
Density:
2.76 (20°C, g/cm
3
)
Vapour pressure (Torr):
0.1 (668°C)
1 (777°C)
10 (919°C)
100 (1112°C)
Surface tension (mN/m):
95 (760°C)
91 (800°C)
87 (850°C)
83 (900°C)
74 (1000°C)
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-430.6 (s)
Standard molar Gibbs energy of formation Δ
f
G
0
(298.15 K, kJ/mol):
-405.8 (s)
Standard molar entropy S
0
(298.15 K, J/(mol·K)):
91.6 (s)
Molar heat capacity at constant pressure C
p
(298.15 K, J/(mol·K)):
51.5 (s)
Molar enthalpy (heat) of fusion Δ
fus
H (kJ/mol):
18.4
Enthalpy (heat) of vaporization Δ
vap
H (kJ/mol):
154.5
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-226 (g)
Standard molar entropy S
0
(298.15 K, J/(mol·K)):
249.58 (g)
Molar heat capacity at constant pressure C
p
(298.15 K, J/(mol·K)):
36.84 (g)
LD
50
(mg/kg):
3800 (mice, oral)
References:
Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 1433-1434
Вредные химические вещества: Неорганические соединения элементов I-IV групп. Справочник. - Л.: Химия, 1988. - pp. 53 [Russian]
Плющев В.Е., Степин Б.Д. Аналитическая химия рубидия и цезия. - М.: Наука, 1975. - pp. 22-27 [Russian]
Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 94 [Russian]
Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 189, 711-713 [Russian]
Химия и технология редких и рассеянных элементов. - Ч. 1. - М.: Высшая школа, 1976. - pp. 101-103 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru