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Properties of substance:
halon 10001
skc-file
Synonyms:
methyl iodide
methyl iodine
iodomethane
Group of substances:
organic
Physical appearance:
colorless liquid
Empirical formula (Hill's system for organic substances):
CH
3
I
Structural formula as text:
CH3I
Molar/atomic mass: 141.94
Melting point (°C):
-66.1
Boiling point (°C):
42.5
Decomposition temperature (°C):
270
CAS №: 74-88-4
Solubility (g/100 g of solvent):
acetone
: soluble [
Ref.
]
benzene
: soluble [
Ref.
]
carbon tetrachloride
: soluble [
Ref.
]
diethyl ether
: miscible [
Ref.
]
ethanol
: miscible [
Ref.
]
water
: 1.565 (0°C) [
Ref.
]
water
: 1.446 (10°C) [
Ref.
]
water
: 1.419 (20°C) [
Ref.
]
water
: 1.429 (30°C) [
Ref.
]
Density:
2.3346 (0°C, g/cm
3
)
2.279 (20°C, g/cm
3
)
2.25102 (30°C, g/cm
3
)
Reactions:
[
Ref.1
]
CH
3
I + Hg → CH
3
HgI
Yeild 72%. [
Ref.1
]
(CH
2
O)
2
CS + CHI → ICH
2
CH
2
OC(O)SCH
3
[
Ref.1
]
NI
3
+ 4CH
3
I → (CH
3
)
4
NI + 3I
2
Refractive index (n
D
):
1.538 (20°C)
Dipole moment (D):
1.313 (20°C)
Viscosity (mPa·s):
0.46 (30°C)
Surface tension (mN/m):
25.8 (43.5°C)
Speed sound (m/s):
154 (43°C, aggregative state - gas)
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-8.4 (l)
Standard molar Gibbs energy of formation Δ
f
G
0
(298.15 K, kJ/mol):
20.5 (l)
Standard molar entropy S
0
(298.15 K, J/(mol·K)):
162.8 (l)
Heat of combustion (kJ/mol):
814.6
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
14.4 (g)
Standard molar entropy S
0
(298.15 K, J/(mol·K)):
254.1 (g)
Molar heat capacity at constant pressure C
p
(298.15 K, J/(mol·K)):
44.1 (g)
Critical temperature (°C):
254.8
Critical pressure (MPa):
6.53
References:
Dictionary of organic compounds. - Vol. 2, Eccaine - Myrtillin chloride. - London, 1946. - pp. 746-747
Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 22
Yalkowsky S.H., Yan H. Handbook of aqueous solubility data. - CRC Press, 2003. - pp. 8
Вредные химические вещества: Углеводороды, галогенпроизводные углеводородов. Справочник. - Л.: Химия, 1990. - pp. 603-605 [Russian]
Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 161 [Russian]
Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 372 [Russian]
Хёрд Ч.Д. Пиролиз соединений углерода. - Л.-М.: ГОНТИ РКТП СССР, 1938. - pp. 115 [Russian]
Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советская энциклопедия, 1983. - pp. 332 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru
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