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Properties of substance:

4-hydroxybenzaldehyde



skc-file

Group of substances:

organic

Physical appearance:

colorless needles crystals

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

C7H6O2

Structural formula as text:

HOC6H4CHO

Molar/atomic mass: 122.1213

Melting point (°C):

116

Solubility (g/100 g of solvent):

benzene: 4.18 (65°C) [Ref.]
diethyl ether: very soluble [Ref.]
ethanol: very soluble [Ref.]
water: 1.38 (30.5°C) [Ref.]

Dissociation:

pKa (1) = 7.61 (25°C, water)

References:

  1. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 498-499
  2. Yalkowsky S.H., Yan H. Handbook of aqueous solubility data. - CRC Press, 2003. - pp. 372
  3. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 471 [Russian]
  4. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 474-475 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru