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Properties of substance:
dimethyl oxalate
Group of substances:
organic
Physical appearance:
colorless monoclinic crystals
Empirical formula (Hill's system for organic substances):
C
4
H
6
O
4
Structural formula as text:
(COOCH3)2
Molar/atomic mass: 118.088
Melting point (°C):
54
Boiling point (°C):
163.3
CAS №: 553-90-2
Solubility (g/100 g of solvent):
acetone
: soluble [
Ref.
]
chloroform
: soluble [
Ref.
]
diethyl ether
: soluble [
Ref.
]
ethanol
: soluble [
Ref.
]
formic acid 95%
: 22.58 (20.2°C) [
Ref.
]
methanol
: soluble [
Ref.
]
pyridine
: 4.8 (20°C) [
Ref.
]
water
: 4.2 (-0.5°C) [
Ref.
]
water
: 6.18 (20°C) [
Ref.
]
water
: 18.8 (44.5°C) [
Ref.
]
water
: miscible (53.5°C) [
Ref.
]
Density:
1.1479 (54°C, g/cm
3
)
1.12 (82°C, g/cm
3
)
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-756.3 (s)
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-708.9 (g)
References:
CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-26
Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 223-224
Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 395 [Russian]
Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 1112-1113 [Russian]
Фрейдлин Г.Н. Алифатические дикарбоновые кислоты. - М., 1978. - pp. 18 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru