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Properties of substance:
barium chloride dihydrate
Group of substances:
inorganic
Physical appearance:
colorless monoclinic crystals
Empirical formula (Hill's system for organic substances):
H
4
BaCl
2
O
2
Structural formula as text:
BaCl2 * 2H2O
Molar/atomic mass: 244.26
Decomposition temperature (°C):
113
CAS №: 10326-27-9
Solubility (g/100 g of solvent):
ethanol
: insoluble [
Ref.
]
water
: very soluble [
Ref.
]
Density:
3.1 (24°C, g/cm
3
)
Reactions:
[
Ref.1
]
BaCl
2
* 2H
2
O + 2KBrO
3
→ Ba(BrO
3
)
2
* H
2
O + 2KCl + H
2
O
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-1446 (s)
Standard molar entropy S
0
(298.15 K, J/(mol·K)):
203.3 (s)
Molar heat capacity at constant pressure C
p
(298.15 K, J/(mol·K)):
155.2 (s)
LD
50
(mg/kg):
51 (mice, intraperitoneal)
References:
Lewis R.J. Sax's Dangerous Properties of Industrial Materials. - 11ed. - Wiley-interscience, 2004. - pp. 340
Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 102-103 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru