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Properties of substance:
lanthanum nitrate hexahydrate α-form
Group of substances:
inorganic
Physical appearance:
colorless triclinic crystals
Empirical formula (Hill's system for organic substances):
H
1
2
LaN
3
O
1
5
Structural formula as text:
La(NO3)3 * 6H2O
Molar/atomic mass: 433.02
Melting point (°C):
40
Decomposition temperature (°C):
126
Solubility (g/100 g of solvent):
acetone
: soluble [
Ref.
]
ethanol
: very soluble [
Ref.
]
water
: 151.1 (25°C) [
Ref.
]
Reactions:
[
Ref.1
]
La(NO
3
)
3
* 6H
2
O → La(NO
3
)
3
+ 6H
2
O (50-240 °C)
2La(NO
3
)
3
→ 2LaONO
3
+ 4NO
2
+ O
2
(420-515 °C)
4LaONO
3
→ 2La
2
O
3
+ 4NO
2
+ O
2
(575-780 °C)
LD
50
(mg/kg):
850 (white mice, oral)
References:
Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 892-893
Stewart D.A.F. A Study of lanthanum nitrate 6-hydrate in non-aqueous solvents. - thesis of dissertation. - Dean of the Graduate School, 1958
Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 104-105 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru
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