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Properties of substance:

benzeneacetic acid



skc-file

Synonyms:

phenylacetic acid

Group of substances:

organic

Physical appearance:

colorless leaflets crystals

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

C8H8O2

Structural formula as text:

C6H5CH2COOH

Molar/atomic mass: 136.148

Melting point (°C):

76.9

Boiling point (°C):

266.5

Decomposition temperature (°C):

350

Solubility (g/100 g of solvent):

chloroform: 151 [Ref.]
diethyl ether: very soluble [Ref.]
ethanol: 102.8 (0°C) [Ref.]
ethanol: 186 (20°C) [Ref.]
methanol: 102.4 (-17°C) [Ref.]
methanol: 254.6 (20°C) [Ref.]
propanol: 69.2 (0°C) [Ref.]
propanol: 133.6 (20°C) [Ref.]
water: 1.66 (20°C) [Ref.]

Density:

1.228 (20°C, g/cm3)

Reactions:

  1. Yeild 92,5%. [Ref.1]
    C6H5CH2COOH + CH3OCHCl2 → C6H5CH2COCl + HCOOCH3 + HCl

Dissociation:

pKa (1) = 4.31 (25°C, water)

References:

  1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 3-32
  2. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 581-584
  3. Yalkowsky S.H., Yan H. Handbook of aqueous solubility data. - CRC Press, 2003. - pp. 474
  4. 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]
  5. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 188 [Russian]
  6. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 492 [Russian]
  7. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 994-995 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru