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Properties of substance:

phthalimide

Group of substances:

organic

Physical appearance:

crystals

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

C8H5NO2

Structural formula as text:

C6H4(CO)2NH

Molar/atomic mass: 147.14

Melting point (°C):

238

Decomposition temperature (°C):

350-480

Solubility (g/100 g of solvent):

acetic acid: very soluble (118°C) [Ref.]
benzene: practically insoluble [Ref.]
benzene: soluble (80°C) [Ref.]
chloroform: slightly soluble [Ref.]
diethyl ether: slightly soluble [Ref.]
ethanol: 5 (78°C) [Ref.]
ligroin: insoluble [Ref.]
petroleum ether: practically insoluble [Ref.]
pyridine: 14.15 (20°C) [Ref.]
pyridine 50% aq.: 7.74 (20°C) [Ref.]
water: 0.036 (25°C) [Ref.]
water: 0.4 (100°C) [Ref.]

Dissociation:

pKa (1) = 9.9 (25°C, water)

References:

  1. Dictionary of organic compounds. - Vol. 3, naphthacarbazole - zygadenine. - М.: ИИЛ, 1949. - pp. 476
  2. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 569
  3. The Merck Index 11th ed., Merck & Company, 1989. - pp. 1170
  4. Yalkowsky S.H., Yan H. Handbook of aqueous solubility data. - CRC Press, 2003. - pp. 448
  5. Краткая химическая энциклопедия. - Т. 5: Т-Я. - М.: Советская энциклопедия, 1967. - pp. 570 [Russian]
  6. Свойства органических соединений: Справочник. - Под ред. Потехина А.А. - Л.: Химия, 1984. - pp. 98-99 [Russian]
  7. Хёрд Ч.Д. Пиролиз соединений углерода. - Л.-М.: ГОНТИ РКТП СССР, 1938. - pp. 590 [Russian]
  8. Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советская энциклопедия, 1983. - pp. 636 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru