Main page (Russian) Search in database (English)

Properties of substance:

2-nitrobenzoic acid

Synonyms:

o-nitrobenzoic acid

Group of substances:

organic

Physical appearance:

triclinic crystals

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

C7H5NO4

Structural formula as text:

O2NC6H4COOH

Molar/atomic mass: 167.11899

Melting point (°C):

148.6

Decomposition temperature (°C):

180

Solubility (g/100 g of solvent):

acetone: 93.1 (30°C) [Ref.]
ammonia liquid : 61.3 (20°C) [Ref.]
benzene: 0.33 (25°C) [Ref.]
chloroform: 1.05 (15°C) [Ref.]
chloroform: 1.12 (25°C) [Ref.]
diethyl ether: 17 (20°C) [Ref.]
ethanol: 35.7 (10°C) [Ref.]
methanol: 53.4 (10°C) [Ref.]
water: 0.6551 (18°C) [Ref.]
water: 0.682 (20°C) [Ref.]
water: 0.75 (25°C) [Ref.]
water: 1.141 (35°C) [Ref.]

Dissociation:

pKa (1) = 2.18 (25°C, water)
pKa (1) = 4.28 (20°C, formamide)

References:

  1. Journal of Physical and Chemical Reference Data. - 2013. - Vol. 42, No. 3. - pp. 033103-481 - 033103-485
  2. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 480-491
  3. Yalkowsky S.H., Yan H. Handbook of aqueous solubility data. - CRC Press, 2003. - pp. 357-358
  4. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 467-468, 910 [Russian]
  5. Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 1277, 1338, 1415-1416, 1479-1480 [Russian]
  6. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 496-497 [Russian]
  7. Химическая энциклопедия. - Т. 3. - М.: Советская энциклопедия, 1992. - pp. 267 [Russian]

    What information do you need?




    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru