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Properties of substance:

sodium rhodizonate

Group of substances:

inorganic

Physical appearance:

black crystals

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

C6Na2O6

Structural formula as text:

Na2C6O6

Molar/atomic mass: 214.04

Decomposition temperature (°C):

300-350

Solubility (g/100 g of solvent):

diethyl ether: insoluble [Ref.]
ethanol: insoluble [Ref.]
water: soluble [Ref.]

Reactions:

  1. [Ref.1]
    2Na2C6O6 + 4NaOH + O2 → 2Na2C5O5 + 2Na2CO3 + 2H2O

References:

  1. Nano Letters. - 2016. - Vol. 16, No. 5. - pp. 3329-3334
  2. The Merck Index 11th ed., Merck & Company, 1989. - pp. 1367
  3. Жаркова Г.М., Петухова Э.Е. Аналитическая химия: Качественный анализ. - С-Пб.: Химия, 1993. - pp. 223-225, 319 [Russian]
  4. Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советская энциклопедия, 1983. - pp. 364 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru