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Properties of substance:

l-3-hydroxybutyric acid

Group of substances:

organic

Physical appearance:

monoclinic crystals

Empirical formula (Hill's system for organic substances):

C4H8O3

Structural formula as text:

CH3CH(OH)CH2COOH

Molar/atomic mass: 104.105

Melting point (°C):

49-50

Solubility (g/100 g of solvent):

benzene: insoluble [Ref.]
diethyl ether: very soluble [Ref.]
ethanol: very soluble [Ref.]
water: very soluble [Ref.]

Hygroscopic:

yes

Dissociation:

pKa (1) = 4.7 (25°C, water)

References:

  1. Dictionary of organic compounds. - Vol. 2, Eccaine - Myrtillin chloride. - London, 1946. - pp. 239
  2. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 772-773 [Russian]
  3. Справочник химика. - Т. 3. - М.-Л.: Химия, 1965. - pp. 92 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru