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Properties of substance:

2-aminobenzoic acid

Synonyms:

o-anthranilic acid

Group of substances:

organic

Physical appearance:

colorless rhombic crystals

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

C7H7NO2

Structural formula as text:

NH2C6H4COOH

Molar/atomic mass: 137.136

Melting point (°C):

146

Solubility (g/100 g of solvent):

1-butanol: 67.05 (80°C) [Ref.]
benzene: 1.8 (11.4°C) [Ref.]
chloroform: very soluble (60°C) [Ref.]
diethyl ether: 16 (6.8°C) [Ref.]
ethanol: very soluble (78°C) [Ref.]
ethyl acetate: 11.9 (10°C) [Ref.]
p-cymene: 0.747 (25°C) [Ref.]
pyridine: 80.5 (8°C) [Ref.]
pyridine: 122.7 (21.5°C) [Ref.]
pyridine: 182.5 (55°C) [Ref.]
pyridine: 397.5 (111°C) [Ref.]
water: 0.2991 (10°C) [Ref.]
water: 0.35 (14°C) [Ref.]
water: 0.52 (25°C) [Ref.]
water: 0.5964 (30°C) [Ref.]
water: 0.892 (40°C) [Ref.]
water: 48.72 (100°C) [Ref.]

Density:

1.412 (25°C, g/cm3)

Dissociation:

pKBH+ (1) = 2.09 (25°C, water)
pKa (1) = 4.95 (25°C, water)

LD50 (mg/kg):

1400 (mice, oral)
2500 (mice, intraperitoneal)

References:

  1. Journal of Physical and Chemical Reference Data. - 2013. - Vol. 42, No. 3. - pp. 033103-107 - 033103-110
  2. Lewis R.J. Sax's Dangerous Properties of Industrial Materials. - 11ed. - Wiley-interscience, 2004. - pp. 271
  3. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 539-540
  4. Yalkowsky S.H., Yan H. Handbook of aqueous solubility data. - CRC Press, 2003. - pp. 386
  5. Бабаян Э.А., Гаевский А.В., Бардин Е.В. Правовые аспекты оборота наркотических, психотропных, сильнодействующих, ядовитых веществ и прекурсоров. - М.: МЦФЭР, 2000. - pp. 147 [Russian]
  6. Бургер К. Органические реагенты в неорганическом анализе. - М.: Мир, 1975. - pp. 128-129 [Russian]
  7. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 125, 221 [Russian]
  8. Свойства органических соединений: Справочник. - Под ред. Потехина А.А. - Л.: Химия, 1984. - pp. 46-47 [Russian]
  9. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 475-476 [Russian]
  10. Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 1340, 1366, 1421, 1493 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru