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Properties of substance:
hydrazine hydrate
Group of substances:
inorganic
Physical appearance:
colorless liquid
Empirical formula (Hill's system for organic substances):
H
6
N
2
O
Structural formula as text:
N2H4 * H2O
Molar/atomic mass: 50.06
Melting point (°C):
-51.6
Solubility (g/100 g of solvent):
chloroform
: insoluble [
Ref.
]
diethyl ether
: insoluble [
Ref.
]
ethanol
: soluble [
Ref.
]
water
: miscible [
Ref.
]
Numerical data:
Year of discovery: 1887
Density:
1.03 (21°C, g/cm
3
)
Reactions:
Yeild 51%. [
Ref.1
]
CH
3
(CH
2
)
7
CO(CH
2
)
16
CH
3
+ N
2
H
4
* H
2
O → CH
3
(CH
2
)
24
CH
3
+ N
2
+ 2H
2
O
[
Ref.1
,
Ref.2
]
CH
3
(CH
2
)
3
ONO + N
2
H
4
* H
2
O + KOH → KN
3
+ CH
3
(CH
2
)
3
OH + 3H
2
O
Vapour pressure (Torr):
740 (118.5°C)
Dissociation:
pK
b
(1) = 5.9 (25°C, water)
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-242.6 (l)
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-205 (g)
Standard molar entropy S
0
(298.15 K, J/(mol·K)):
264 (g)
LD
50
(mg/kg):
55 (rabbits, oral)
129 (rats, oral)
40 (guinea pig, oral)
83 (mice, oral)
References:
Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 51 [Russian]
Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 14-15 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru
], Ref.2
]
Search in database (English)
], Ref.2]