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Properties of substance:

p-methoxycinnamic acid

Group of substances:

organic

Physical appearance:

needles crystals

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

C10H10O3

Structural formula as text:

CH3OC6H4CH=CHCOOH

Molar/atomic mass: 178.185

Melting point (°C):

175

Solubility (g/100 g of solvent):

acetic acid: soluble [Ref.]
carbon tetrachloride: soluble [Ref.]
ethanol: sparingly soluble [Ref.]
water: 0.00712 (20°C) [Ref.]

Dissociation:

pKa (1) = 4.54 (25°C, water)

References:

  1. Dictionary of organic compounds. - Vol. 2, Eccaine - Myrtillin chloride. - London, 1946. - pp. 600
  2. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 667
  3. Свойства органических соединений: Справочник. - Под ред. Потехина А.А. - Л.: Химия, 1984. - pp. 332-333 [Russian]
  4. Справочник химика. - Т. 3. - М.-Л.: Химия, 1965. - pp. 91 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru