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Properties of substance:

3-phenylpropanoic acid



skc-file

Synonyms:

hydrocinnamic acid

Group of substances:

organic

Physical appearance:

colorless monoclinic crystals

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

C9H10O2

Structural formula as text:

C6H5CH2CH2COOH

Molar/atomic mass: 150.174

Melting point (°C):

48.6

Boiling point (°C):

279.8

CAS №: 501-52-0

Solubility (g/100 g of solvent):

acetic acid: soluble [Ref.]
benzene: very soluble [Ref.]
carbon disulphide: soluble [Ref.]
carbon tetrachloride: 43.2 (20°C) [Ref.]
chloroform: 55.2 (20°C) [Ref.]
diethyl ether: soluble [Ref.]
ethanol: 471 (20°C) [Ref.]
i-butanol: 206 (19.6°C) [Ref.]
methanol: 202 (0°C) [Ref.]
methanol: 517 (20°C) [Ref.]
petroleum ether: soluble [Ref.]
propanol: 283 (20°C) [Ref.]
tetrachloroethene: 43.51 (20°C) [Ref.]
trichloroethylene: 52.49 (20°C) [Ref.]
water: 0.59 (20°C) [Ref.]

Density:

1.07115 (49°C, d4)

Reactions:

  1. Yeild 37%. [Ref.1aster]
    2C6H5CH2CH2COOH → C6H5CH2CH2CH2CH2C6H5 + 2CO2 + H2

Dissociation:

pKa (1) = 4.66 (25°C, water)

References:

  1. Milne G.W.A. Gardner's Commercially Important Chemicals. - Wiley-Interscience, 2005. - pp. 326
  2. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 634
  3. The Merck Index 11th ed., Merck & Company, 1989. - pp. 757
  4. Yalkowsky S.H., Yan H. Handbook of aqueous solubility data. - CRC Press, 2003. - pp. 570
  5. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 507 [Russian]
  6. Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 1530 [Russian]
  7. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 612-613 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru