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Properties of substance:

5-nitrosalicylic acid

Group of substances:

organic

Physical appearance:

needles crystals

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

C7H5NO5

Structural formula as text:

HO(O2N)C6H3COOH

Molar/atomic mass: 183.118

Melting point (°C):

229-230

Solubility (g/100 g of solvent):

water: 0.061 (14.95°C) [Ref.]
water: 0.064 (17.5°C) [Ref.]
water: 0.068 (20.5°C) [Ref.]
water: 0.078 (25°C) [Ref.]
water: 0.2 (45°C) [Ref.]
water: 1.505 (99.5°C) [Ref.]

Dissociation:

pKa (1) = 2.32 (25°C, water)
pKa (1) = 10.34 (25°C, water)

References:

  1. Armarego W. L. F. Purification of Laboratory Chemicals. - 7ed. - 2013. - pp. 363
  2. Свойства органических соединений: Справочник. - Под ред. Потехина А.А. - Л.: Химия, 1984. - pp. 50-51 [Russian]
  3. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 469 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru