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Properties of substance:

4,5-dihydroxy-4-cyclopentene-1,2,3-trione



skc-file

Group of substances:

organic

Physical appearance:

yellow crystals

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

C5H2O5

Structural formula as text:

(O=C)3(COH)2

Molar/atomic mass: 142.066

Decomposition temperature (°C):

150

Dissociation:

pKa (1) = 0.7 (25°C, water)

References:

  1. Encyclopedia of inorganic chemistry. - editor R. Bruce King, 2 Ed., 10 volume set. - 2005
  2. Свойства органических соединений: Справочник. - Под ред. Потехина А.А. - Л.: Химия, 1984. - pp. 428-429 [Russian]
  3. Химическая энциклопедия. - Т. 3. - М.: Советская энциклопедия, 1992. - pp. 366 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru