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Properties of substance:
diazomethane
skc-file
Group of substances:
organic
Physical appearance:
yellow gas
Empirical formula (Hill's system for organic substances):
CH
2
N
2
Structural formula as text:
CH2N2
Molar/atomic mass: 42.04
Melting point (°C):
-145
Boiling point (°C):
-23
Decomposition temperature (°C):
200
Solubility (g/100 g of solvent):
diethyl ether
: soluble [
Ref.
]
ethanol
: soluble (78°C) [
Ref.
]
water
: reaction [
Ref.
]
Reactions:
Yeild 81%. [
Ref.1
]
CH
3
OC
6
H
4
COCl + CH
2
N
2
→ CH
3
OC
6
H
4
COCHN
2
+ HCl
CH
3
OC
6
H
4
COCHN
2
+ NH
3
→ CH
3
OC
6
H
4
CH
2
CONH
2
+ N
2
Yeild 90%. [
Ref.1
,
Ref.2
,
Ref.3
]
CH
2
N
2
+ CH
2
=C=O → (CH
2
)
2
CO + N
2
Dipole moment (D):
1.5 (20°C)
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)):
52.5 (g)
Standard molar enthalpy (heat) of formation Δ
f
H (298 K, kJ/mol)
192.5 (g) [
Ref.
]
References:
Bretherick's Handbook of Reactive Chemical Hazards. - 6 ed., Vol. 1. - Butterworth-Heinemann, 1999. - pp. 157-158
CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-19
Dictionary of organic compounds. - vol.1, Abietic acid - Dypnone. - London, 1946. - pp. 661
Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 525 [Russian]
Новые методы препаративной органической химии. - М.: ИИЛ, 1950. - pp. 91-125 [Russian]
Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 142 [Russian]
Свойства органических соединений: Справочник. - Под ред. Потехина А.А. - Л.: Химия, 1984. - pp. 230-231 [Russian]
Физер Л., Физер М. Реагенты для органического синтеза. - Т. 1: А-Е. - М., 1970. - pp. 242-248 [Russian]
Хёрд Ч.Д. Пиролиз соединений углерода. - Л.-М.: ГОНТИ РКТП СССР, 1938. - pp. 642 [Russian]
Химическая энциклопедия. - Т. 2. - М.: Советская энциклопедия, 1990. - pp. 40 [Russian]
Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советская энциклопедия, 1983. - pp. 156 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru