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Properties of substance:
4-oxopentanoic acid
Synonyms:
levulinic acid
Group of substances:
organic
Physical appearance:
colorless leaflets crystals
Empirical formula (Hill's system for organic substances):
C
5
H
8
O
3
Structural formula as text:
CH3COCH2CH2COOH
Molar/atomic mass: 116.1152
Melting point (°C):
37.2
Boiling point (°C):
245.8
Decomposition temperature (°C):
246
Solubility (g/100 g of solvent):
chloroform
: soluble [
Ref.
]
diethyl ether
: very soluble [
Ref.
]
ethanol
: very soluble [
Ref.
]
water
: 53.78 (6.99°C) [
Ref.
]
water
: 64.22 (14.49°C) [
Ref.
]
water
: 70.68 (20.79°C) [
Ref.
]
water
: 77 (30.09°C) [
Ref.
]
Density:
1.1395 (20°C, g/cm
3
)
Refractive index (n
D
):
1.4396 (20°C)
Vapour pressure (Torr):
1 (102°C)
8 (140°C)
10 (141.8°C)
14 (154°C)
40 (169.5°C)
100 (190.2°C)
400 (227.4°C)
Dissociation:
pK
a
(1) = 4.62 (25°C, water)
Molar enthalpy (heat) of fusion Δ
fus
H (kJ/mol):
9.22
References:
CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 3-432
Yalkowsky S.H., Yan H., Jain P. Handbook of aqueous solubility data. – 2nd ed. - CRC Press, 2010. - pp. 153
Каррер П. Курс органической химии. - 2-е изд., под ред. Колосова М.Н. - Л.: ГНТИХЛ, 1962. - pp. 334 [Russian]
Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 156 [Russian]
Справочник химика. - 2 изд., Т.1. - Л.-М.: Химия, 1966. - pp. 630 [Russian]
Успехи химии. - 1999. - Т.68, №1. - pp. 80-93 [Russian]
Хёрд Ч.Д. Пиролиз соединений углерода. - Л.-М.: ГОНТИ РКТП СССР, 1938. - pp. 343 [Russian]
Химическая энциклопедия. - Т. 1. - М.: Советская энциклопедия, 1988. - pp. 110 [Russian]
Химическая энциклопедия. - Т. 2. - М.: Советская энциклопедия, 1990. - pp. 581 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru