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Properties of substance:

nonanoic acid

Group of substances:

organic

Physical appearance:

colorless oily liquid

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

C9H18O2

Structural formula as text:

CH3(CH2)7COOH

Molar/atomic mass: 158.23799

Melting point (°C):

12.5

Boiling point (°C):

254

Solubility (g/100 g of solvent):

acetone: very soluble [Ref.]
benzene: very soluble [Ref.]
chloroform: very soluble [Ref.]
ethanol: very soluble [Ref.]
methanol: very soluble [Ref.]
water: 0.014 (0°C) [Ref.]
water: 0.0284 (20°C) [Ref.]
water: 0.0317 (30°C) [Ref.]
water: 0.0395 (40°C) [Ref.]
water: 0.041 (45°C) [Ref.]

Not numerical data:

volatile in steam

Dissociation:

pKa (1) = 4.96 (25°C, water)

References:

  1. Yalkowsky S.H., Yan H. Handbook of aqueous solubility data. - CRC Press, 2003. - pp. 614
  2. Маркман А.Л. Химия липидов. - Вып. 1: Жирные кислоты. - Ташкент: Издательство АН Узбекской ССР, 1963. - pp. 16 [Russian]
  3. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 860-861 [Russian]
  4. Справочник химика. - Т. 3. - М.-Л.: Химия, 1965. - pp. 92 [Russian]
  5. Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советская энциклопедия, 1983. - pp. 425 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru