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Properties of substance:
piperidine
skc-file
Group of substances:
organic
Physical appearance:
colorless liquid
Empirical formula (Hill's system for organic substances):
C
5
H
1
1
N
Structural formula as text:
CH2(CH2CH2)2NH
Molar/atomic mass: 85.16
Melting point (°C):
-9
Boiling point (°C):
106.17
Solubility (g/100 g of solvent):
acetone
: soluble [
Ref.
]
benzene
: soluble [
Ref.
]
chloroform
: soluble [
Ref.
]
diethyl ether
: miscible [
Ref.
]
ethanol
: miscible [
Ref.
]
water
: miscible [
Ref.
]
Density:
0.8606 (25°C, g/cm
3
)
Refractive index (n
D
):
1.453 (25°C)
Vapour pressure (Torr):
20 (17.7°C)
70 (36.7°C)
170 (52.6°C)
Dissociation:
pK
BH
+
(1) = 11.25 (25°C, water)
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-86.4 (l)
Standard molar entropy S
0
(298.15 K, J/(mol·K)):
210 (l)
Molar heat capacity at constant pressure C
p
(298.15 K, J/(mol·K)):
179.9 (l)
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-47.1 (g)
LD
50
(mg/kg):
50 (white rats, oral)
371 (rats, oral)
References:
CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 1571
Dictionary of organic compounds. - Vol. 3, naphthacarbazole - zygadenine. - М.: ИИЛ, 1949. - pp. 499
Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 307-308
Бабаян Э.А., Гаевский А.В., Бардин Е.В. Правовые аспекты оборота наркотических, психотропных, сильнодействующих, ядовитых веществ и прекурсоров. - М.: МЦФЭР, 2000. - pp. 147 [Russian]
Орехов А.П. Химия алкалоидов. - М.: ИАН СССР, 1955. - pp. 80 [Russian]
Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 172 [Russian]
Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 417 [Russian]
Химическая энциклопедия. - Т. 3. - М.: Советская энциклопедия, 1992. - pp. 519 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru