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Properties of substance:

1,2-dihydroxyanthraquinone

Synonyms:

alizarin

Group of substances:

organic

Physical appearance:

orange-red triclinic crystals

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

C14H8O4

Molar/atomic mass: 240.2109

Melting point (°C):

290

Boiling point (°C):

430

Solubility (g/100 g of solvent):

acetone: soluble [Ref.]
benzene: soluble [Ref.]
carbon disulphide: soluble [Ref.]
carbon tetrachloride: 0.01 (20°C) [Ref.]
chloroform: 0.12 (20°C) [Ref.]
diethyl ether: soluble [Ref.]
ethanol: 0.49 (60°C) [Ref.]
formic acid 95%: 0.1 (20.8°C) [Ref.]
methanol: soluble (64°C) [Ref.]
pyridine: reaction [Ref.]
water: 0.0000595 (25°C) [Ref.]
water: 0.034 (100°C) [Ref.]

References:

  1. Milne G.W.A. Gardner's Commercially Important Chemicals. - Wiley-Interscience, 2005. - pp. 17
  2. Seidell A. Solubilities of inorganic and organic substances. - 2ed. - New York: D. Van Nostrand Company, 1919. - pp. 20
  3. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 736
  4. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 121 [Russian]
  5. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 521 [Russian]
  6. Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 1036, 1094, 1261 [Russian]
  7. Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советская энциклопедия, 1983. - pp. 21 [Russian]
  8. Энциклопедия для детей. - Т.17: Химия. - М.: Аванта+, 2004. - pp. 610 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru