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Properties of substance:

2-aminobenzenesulfonic acid - water (2/1)

Group of substances:

organic

Physical appearance:

colorless prismatic crystals

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

C12H16N2O7S2

Structural formula as text:

2H2NC6H4SO3H * H2O

Molar/atomic mass: 364.395

Solubility (g/100 g of solvent):

water: sparingly soluble [Ref.]

Dissociation:

pKa (1) = 2.48 (25°C, water)

References:

  1. Dictionary of organic compounds. - vol.1, Abietic acid - Dypnone. - London, 1946. - pp. 156
  2. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 422
  3. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 854-855 [Russian]
  4. Справочник химика. - Т. 3. - М.-Л.: Химия, 1965. - pp. 85 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru