Main page (Russian)
Search in database (English)
Properties of substance:
cesium hydroxide
Group of substances:
inorganic
Physical appearance:
white crystals
Empirical formula (Hill's system for organic substances):
HCsO
Structural formula as text:
CsOH
Molar/atomic mass: 149.91
Melting point (°C):
272
Sublimation point (°C):
400
Solubility (g/100 g of solvent):
ammonia liquid
: 1.45 (-40°C) [
Ref.
]
ethanol
: very soluble [
Ref.
]
water
: 385.6 (15°C) [
Ref.
]
water
: 303 (30°C) [
Ref.
]
Hygroscopic:
yes
Density:
3.68 (20°C, g/cm
3
)
Reactions of synthesis:
[
Ref.1
]
2Cs/Hg + 2H
2
O → 2CsOH + H
2
+ 2Hg
[
Ref.1
]
Cs
2
SO
4
+ Ba(OH)
2
→ 2CsOH + BaSO
4
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-406.7 (s)
Standard molar Gibbs energy of formation Δ
f
G
0
(298.15 K, kJ/mol):
-362.3 (s)
Standard molar entropy S
0
(298.15 K, J/(mol·K)):
93.3 (s)
Molar enthalpy (heat) of fusion Δ
fus
H (kJ/mol):
6.74
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-264 (g)
Standard molar entropy S
0
(298.15 K, J/(mol·K)):
255 (g)
Molar heat capacity at constant pressure C
p
(298.15 K, J/(mol·K)):
50 (g)
LD
50
(mg/kg):
760 (white mice, oral)
References:
Вредные вещества в промышленности: Справочник для химиков, инженеров и врачей. - 7-е изд., Т.3. - Л.: Химия, 1976. - pp. 328 [Russian]
Вредные химические вещества: Неорганические соединения элементов I-IV групп. Справочник. - Л.: Химия, 1988. - pp. 58 [Russian]
Карапетьянц М.Х., Дракин С.И. Общая и неорганическая химия. - М.: Химия, 1981. - pp. 308 [Russian]
Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 111 [Russian]
What information do you need?
© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru