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Properties of substance:

3-indolylacetic acid



skc-file

Synonyms:

heteroauxine

Group of substances:

organic

Physical appearance:

leaflets crystals

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

C10H9NO2

Structural formula as text:

C8H6NCH2COOH

Molar/atomic mass: 175.19

Melting point (°C):

169

Decomposition temperature (°C):

169

Solubility (g/100 g of solvent):

benzene: slightly soluble [Ref.]
chloroform: slightly soluble [Ref.]
diethyl ether: very soluble [Ref.]
ethanol: very soluble [Ref.]
ethyl acetate: very soluble [Ref.]
methanol: very soluble [Ref.]
water: difficulty soluble [Ref.]

Dissociation:

pKa (1) = 4.75 (25°C, water)

References:

  1. Buckingham J. B., Baggaley K. H., Roberts A. D., Szabo L. F. Dictionary of Alkaloids. - 2 ed. - CRC Press, 2010. - pp. 1021
  2. Dictionary of organic compounds. - Vol. 2, Eccaine - Myrtillin chloride. - London, 1946. - pp. 160
  3. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 700-701 [Russian]
  4. Химическая энциклопедия. - Т. 1. - М.: Советская энциклопедия, 1988. - pp. 220 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru