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Properties of substance:

3-aminobenzoic acid

Synonyms:

m-aminobenzoic acid

Group of substances:

organic

Physical appearance:

yellow needles crystals

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

C7H7NO2

Structural formula as text:

H2NC6H4COOH

Molar/atomic mass: 137.136

Melting point (°C):

174-179.5

Solubility (g/100 g of solvent):

acetone: 7.87 (11.3°C) [Ref.]
benzene: 0.014 (25°C) [Ref.]
benzene: 0.35 (30°C) [Ref.]
benzene: 0.7 (40°C) [Ref.]
bromoform: very slightly soluble [Ref.]
chloroform: 0.047 (12°C) [Ref.]
diethyl ether: soluble [Ref.]
ethanol 95%: 3.69 (12.5°C) [Ref.]
iodoethane: 0.01 (0°C) [Ref.]
methanol: 5.06 (10.5°C) [Ref.]
water: 0.59 (14.9°C) [Ref.]
water: 0.7995 (30°C) [Ref.]

Dissociation:

pKa (1) = 4.74 (25°C, water)

LD50 (mg/kg):

6300 (mice, oral)

References:

  1. Journal of Physical and Chemical Reference Data. - 2013. - Vol. 42, No. 3. - pp. 033103-110 - 033103-115
  2. Lewis R.J. Sax's Dangerous Properties of Industrial Materials. - 11ed. - Wiley-interscience, 2004. - pp. 152
  3. Milne G.W.A. Gardner's Commercially Important Chemicals. - Wiley-Interscience, 2005. - pp. 26
  4. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 538-541
  5. Yalkowsky S.H., Yan H. Handbook of aqueous solubility data. - CRC Press, 2003. - pp. 388
  6. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 475 [Russian]
  7. Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 1340, 1420, 1493 [Russian]
  8. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 490-491 [Russian]
  9. Справочник химика. - Т. 3. - М.-Л.: Химия, 1965. - pp. 85 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru