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Properties of substance:
morpholine
Group of substances:
organic
Physical appearance:
colorless oily liquid
Empirical formula (Hill's system for organic substances):
C
4
H
9
NO
Structural formula as text:
O(CH2CH2)2NH
Molar/atomic mass: 87.1204
Boiling point (°C):
129
CAS №: 110-91-8
Solubility (g/100 g of solvent):
diethyl ether
: soluble [
Ref.
]
ethanol
: soluble [
Ref.
]
sulfolane
: miscible [
Ref.
]
water
: miscible [
Ref.
]
Hygroscopic:
yes
Density:
0.9998 (20°C, g/cm
3
)
Dissociation:
pK
BH
+
(1) = 8.7 (25°C, water)
Retention indices for gas chromatography:
794 (phase - OV-101, 110°C)
Molar heat capacity at constant pressure C
p
(298.15 K, J/(mol·K)):
164.8 (l)
LD
50
(mg/kg):
1600-1700 (white rats, oral)
References:
CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-27
Гайле А.А., Сомов В.Е., Залищевский Г.Д. Морфолин и его производные. - СПб.: Химиздат, 2007 [Russian]
Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 800-801 [Russian]
Справочник химика. - Т. 3. - М.-Л.: Химия, 1965. - pp. 102 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru