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Properties of substance:

2-hydroxybenzaldehyde



skc-file

Synonyms:

salicylaldehyde

Group of substances:

organic

Physical appearance:

colorless liquid

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

C7H6O2

Structural formula as text:

HOC6H4CHO

Molar/atomic mass: 122.1213

Melting point (°C):

-7

Boiling point (°C):

196.5

Solubility (g/100 g of solvent):

acetone: very soluble [Ref.]
benzene: 64.6 (12°C) [Ref.]
diethyl ether: miscible [Ref.]
ethanol: miscible [Ref.]
water: 0.008077 (25°C) [Ref.]
water: 1.72 (86°C) [Ref.]

Density:

1.1669 (20°C, g/cm3)

Refractive index (nD):

1.5736 (19.7°C)

Vapour pressure (Torr):

18 (86°C)
20 (88.7°C)

Dissociation:

pKa (1) = 8.37 (25°C, water)

Permittivity (dielectric constant):

17.1 (30°C)

Dipole moment (D):

2.9 (20°C)

References:

  1. Dictionary of Food Compounds with CD-ROM. - 2nd ed. - CRC Press, 2013. - pp. 946
  2. Dictionary of organic compounds. - Vol. 3, naphthacarbazole - zygadenine. - М.: ИИЛ, 1949. - pp. 611
  3. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 498-499
  4. Yalkowsky S.H., Yan H. Handbook of aqueous solubility data. - CRC Press, 2003. - pp. 372
  5. Полюдек-Фабини Р., Бейрих Т. Органический анализ. - Л.: Химия, 1981. - pp. 114, 123 [Russian]
  6. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 177 [Russian]
  7. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 471 [Russian]
  8. Химическая энциклопедия. - Т. 4. - М.: Советская энциклопедия, 1995. - pp. 289 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru