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Properties of substance:

orange IV

Synonyms:

tropaeolin OO

Group of substances:

inorganic

Physical appearance:

orange-yellow crystals

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

C18H14N3NaO3S

Structural formula as text:

C6H5NHC6H4N=NC6H4SO3Na

Molar/atomic mass: 375.377

Solubility (g/100 g of solvent):

ethanol: soluble [Ref.]
water: soluble [Ref.]

References:

  1. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 3-428
  2. Индикаторы. - Т. 1. - Редактор Бишоп Э. - М.: Мир, 1976. - pp. 116-117 [Russian]
  3. Химическая энциклопедия. - Т. 5. - М.: Советская энциклопедия, 1999. - pp. 14 [Russian]
  4. Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советская энциклопедия, 1983. - pp. 599 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru