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Properties of substance:
methylamine
skc-file
Synonyms:
carbinamine
aminomethane
Group of substances:
organic
Physical appearance:
colorless gas
Empirical formula (Hill's system for organic substances):
CH
5
N
Structural formula as text:
CH3NH2
Molar/atomic mass: 31.06
Melting point (°C):
-93.5
Boiling point (°C):
-6.5
Decomposition temperature (°C):
1200-1300
CAS №: 74-89-5
Solubility (g/100 g of solvent):
1-butanol
: 55.67 (20°C) [
Ref.
]
acetone
: soluble [
Ref.
]
ammonia liquid
: miscible [
Ref.
]
aniline
: 39.54 (20°C) [
Ref.
]
benzene
: soluble [
Ref.
]
diethyl ether
: miscible [
Ref.
]
ethanol
: 82.89 (20°C) [
Ref.
]
methanol
: 123.2 (20°C) [
Ref.
]
nitrobenzene
: 10.91 (20°C) [
Ref.
]
water
: 59.51 (20°C) [
Ref.
]
water
: 55.56 (25°C) [
Ref.
]
water
: 28.06 (60°C) [
Ref.
]
Density:
0.699 (-11°C, g/cm
3
)
Dissociation:
pK
BH
+
(1) = 10.62 (25°C, water)
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-47.3 (l)
Standard molar Gibbs energy of formation Δ
f
G
0
(298.15 K, kJ/mol):
35.7 (l)
Standard molar entropy S
0
(298.15 K, J/(mol·K)):
150.2 (l)
Molar heat capacity at constant pressure C
p
(298.15 K, J/(mol·K)):
102.1 (l)
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-22.5 (g)
Standard molar Gibbs energy of formation Δ
f
G
0
(298.15 K, kJ/mol):
32.7 (g)
Standard molar entropy S
0
(298.15 K, J/(mol·K)):
242.9 (g)
Molar heat capacity at constant pressure C
p
(298.15 K, J/(mol·K)):
50.1 (g)
Enthalpy (heat) of solution Δ
sol
H (kJ)
-45.49 (g) [solvent: water, 18°C, 1 mol in 1000 mol of water] [
Ref.
]
-44.78 (g) [
Ref.
]
LD
50
(mg/kg):
2500 (mice, subcutaneous)
Critical temperature (°C):
156.9
Critical pressure (MPa):
7.22
References:
Beilsteins Handbuch der Organischen Chemie. - Vierte Auflage, 4 Band. - Berlin: Verlag von Julius Springer, 1922. - pp. 32-36
CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-20
Dictionary of organic compounds. - Vol. 2, Eccaine - Myrtillin chloride. - London, 1946. - pp. 611
Flick E.W. Industrial solvent handbook. - 5ed. - 1998. - pp. 686
Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 64-65
The Merck Index 11th ed., Merck & Company, 1989. - pp. 949
Yalkowsky S.H., Yan H. Handbook of aqueous solubility data. - CRC Press, 2003. - pp. 14
Вредные вещества в промышленности: Справочник для химиков, инженеров и врачей. - 7-е изд., Т.2. - Л.: Химия, 1976. - pp. 221 [Russian]
Досон Р., Эллиот Д., Эллиот У., Джонс К. Справочник биохимика. - М.: Мир, 1991. - pp. 28 [Russian]
Краткая химическая энциклопедия. - Т. 3: Мальтаза-Пиролиз. - М.: Советская энциклопедия, 1964. - pp. 180 [Russian]
Новый справочник химика и технолога. Химическое равновесие. Свойства растворов. - СПб.: НПО Профессионал, 2004, 2007. - pp. 80 [Russian]
Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 160 [Russian]
Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 1159 [Russian]
Химическая энциклопедия. - Т. 3. - М.: Советская энциклопедия, 1992. - pp. 57-58 [Russian]
Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советская энциклопедия, 1983. - pp. 326 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru