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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):

C5H8O3

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/cm3)

Refractive index (nD):

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:

pKa (1) = 4.62 (25°C, water)

Molar enthalpy (heat) of fusion ΔfusH (kJ/mol):

9.22

References:

  1. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 3-432
  2. Yalkowsky S.H., Yan H., Jain P. Handbook of aqueous solubility data. – 2nd ed. - CRC Press, 2010. - pp. 153
  3. Каррер П. Курс органической химии. - 2-е изд., под ред. Колосова М.Н. - Л.: ГНТИХЛ, 1962. - pp. 334 [Russian]
  4. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 156 [Russian]
  5. Справочник химика. - 2 изд., Т.1. - Л.-М.: Химия, 1966. - pp. 630 [Russian]
  6. Успехи химии. - 1999. - Т.68, №1. - pp. 80-93 [Russian]
  7. Хёрд Ч.Д. Пиролиз соединений углерода. - Л.-М.: ГОНТИ РКТП СССР, 1938. - pp. 343 [Russian]
  8. Химическая энциклопедия. - Т. 1. - М.: Советская энциклопедия, 1988. - pp. 110 [Russian]
  9. Химическая энциклопедия. - Т. 2. - М.: Советская энциклопедия, 1990. - pp. 581 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru