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Properties of substance:

3,5-dinitrobenzoic acid

Group of substances:

organic

Physical appearance:

yellow monoclinic crystals

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

C7H4N2O6

Structural formula as text:

(O2N)2C6H3COOH

Molar/atomic mass: 212.12

Melting point (°C):

204

Solubility (g/100 g of solvent):

acetic acid: soluble [Ref.]
benzene: 0.118 (25°C) [Ref.]
diethyl ether: sparingly soluble [Ref.]
ethanol: very soluble [Ref.]
water: 1.9 (100°C) [Ref.]

Dissociation:

pKa (1) = 2.85 (25°C, water)

References:

  1. Journal of Physical and Chemical Reference Data. - 2013. - Vol. 42, No. 3. - pp. 033103-291 - 033103-302
  2. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 470-472
  3. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 145 [Russian]
  4. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 464 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru