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Properties of substance:

4-amino-1-naphthalenesulfonic acid

Synonyms:

4-aminonaphthalene-1-sulfonic acid
naphthionic acid

Group of substances:

organic

Physical appearance:

reddish brown needles crystals

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

C10H9NO3S

Structural formula as text:

H2NC10H6SO3H

Molar/atomic mass: 223.248

Solubility (g/100 g of solvent):

diethyl ether: difficulty soluble [Ref.]
ethanol: sparingly soluble [Ref.]
methanol: soluble [Ref.]
pyridine: soluble [Ref.]
water: 0.026 (0°C) [Ref.]
water: 0.22 (100°C) [Ref.]

References:

  1. Armarego W. L. F. Purification of Laboratory Chemicals. - 7ed. - 2013. - pp. 355
  2. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 3-20
  3. Dictionary of organic compounds. - Vol. 3, naphthacarbazole - zygadenine. - М.: ИИЛ, 1949. - pp. 15
  4. Дональдсон Н. Химия и технология соединений нафталинового ряда. - М.: ГНТИХЛ, 1963. - pp. 250-253 [Russian]
  5. Новый справочник химика и технолога. Основные свойства неорганических, органических и элементоорганических соединений. - СПб.: НПО Профессионал, 2007. - pp. 441 [Russian]
  6. Свойства органических соединений: Справочник. - Под ред. Потехина А.А. - Л.: Химия, 1984. - pp. 246-247 [Russian]
  7. Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советская энциклопедия, 1983. - pp. 367 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru