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Properties of substance:
1-butylamine
Group of substances:
organic
Physical appearance:
colorless liquid
Empirical formula (Hill's system for organic substances):
C
4
H
1
1
N
Structural formula as text:
CH3CH2CH2CH2NH2
Molar/atomic mass: 73.14
Melting point (°C):
-50.5
Boiling point (°C):
77.8
CAS №: 103-73-9
Solubility (g/100 g of solvent):
diethyl ether
: soluble [
Ref.
]
ethanol
: soluble [
Ref.
]
ethylene glycol
: 78.6 (4.5°C) [
Ref.
]
water
: 0.2384 (25°C) [
Ref.
]
Density:
0.7414 (20°C, g/cm
3
)
Refractive index (n
D
):
1.4044 (20°C)
Dissociation:
pK
BH
+
(1) = 10.78 (25°C, water)
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-127.6 (l)
Molar heat capacity at constant pressure C
p
(298.15 K, J/(mol·K)):
179.2 (l)
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-91.9 (g)
Enthalpy (heat) of solution Δ
sol
H (J/mol)
2510 (l) [solvent: 1-butanol, 25 C, 0,5319 mol substance : 0,4601 mol solvent] [
Ref.
]
LD
50
(mg/kg):
500 (rats, oral)
References:
CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-27
Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 280-281
Yalkowsky S.H., Yan H., Jain P. Handbook of aqueous solubility data. – 2nd ed. - CRC Press, 2010. - pp. 134
Вредные вещества в промышленности: Справочник для химиков, инженеров и врачей. - 7-е изд., Т.2. - Л.: Химия, 1976. - pp. 228 [Russian]
Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 1357 [Russian]
Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 558-559 [Russian]
Токсикологический вестник. - 2008. - №2. - pp. 41 [Russian]
Химическая энциклопедия. - Т. 1. - М.: Советская энциклопедия, 1988. - pp. 333 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru