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Properties of substance:

3-chlorobenzoic acid

Group of substances:

organic

Physical appearance:

colorless prismatic crystals

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

C7H5ClO2

Structural formula as text:

ClC6H4COOH

Molar/atomic mass: 156.57

Melting point (°C):

154-158

Solubility (g/100 g of solvent):

benzene: 0.75 (15°C) [Ref.]
benzene: 2.3 (35.8°C) [Ref.]
carbon disulphide: 0.49 (15°C) [Ref.]
carbon tetrachloride: 0.3 (15°C) [Ref.]
diethyl ether: 19.7 (15°C) [Ref.]
heptane: 1.96 (72.2°C) [Ref.]
water: 0.04 (25°C) [Ref.]

Dissociation:

pKa (1) = 3.82 (25°C, water)

References:

  1. Journal of Physical and Chemical Reference Data. - 2013. - Vol. 42, No. 3. - pp. 033103-189 - 033103-199
  2. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 473-477
  3. Yalkowsky S.H., Yan H. Handbook of aqueous solubility data. - CRC Press, 2003. - pp. 350
  4. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 465 [Russian]
  5. Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 1413, 1475-1476 [Russian]
  6. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 500-501 [Russian]
  7. Справочник химика. - Т. 3. - М.-Л.: Химия, 1965. - pp. 96 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru