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Properties of substance:

nonanedioic acid

Synonyms:

azelaic acid

Group of substances:

organic

Physical appearance:

colorless leaflets crystals

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

C9H16O4

Structural formula as text:

HOOC(CH2)7COOH

Molar/atomic mass: 160.168

Melting point (°C):

106.5

Boiling point (°C):

360

Decomposition temperature (°C):

360

Solubility (g/100 g of solvent):

benzene: 0.092 (25°C) [Ref.]
diethyl ether: 3.8 (15°C) [Ref.]
ethanol: very soluble [Ref.]
formic acid 95%: 3.79 (19.4°C) [Ref.]
water: 0.24 (20°C) [Ref.]
water: 2.2 (65°C) [Ref.]

Density:

1.029 (20°C, g/cm3)

Vapour pressure (Torr):

10 (226°C)

Dissociation:

pKa (1) = 4.53 (25°C, water)
pKa (2) = 5.4 (25°C, water)

References:

  1. Lewis R.J. Sax's Dangerous Properties of Industrial Materials. - 11ed. - Wiley-interscience, 2004. - pp. 323
  2. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 643
  3. Yalkowsky S.H., Yan H. Handbook of aqueous solubility data. - CRC Press, 2003. - pp. 605-606
  4. Мономеры для поликонденсации. - М.: Мир, 1976. - pp. 61-70 [Russian]
  5. Свойства органических соединений: Справочник. - Под ред. Потехина А.А. - Л.: Химия, 1984. - pp. 254-255 [Russian]
  6. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 509 [Russian]
  7. Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 1434 [Russian]
  8. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 400-401 [Russian]
  9. Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советская энциклопедия, 1983. - pp. 13 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru