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Properties of substance:

cis-cinnamic acid

Group of substances:

organic

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

C9H8O2

Structural formula as text:

C6H5CH=CHCOOH

Molar/atomic mass: 148.159

Melting point (°C):

68

CAS №: 102-94-3

Solubility (g/100 g of solvent):

acetic acid: very soluble [Ref.]
ethanol: very soluble [Ref.]
ligroin: very soluble [Ref.]
water: 0.69 (18°C) [Ref.]
water: 1.103 (25°C) [Ref.]
water: 1.446 (45°C) [Ref.]

Dissociation:

pKa (1) = 3.88 (25°C, water)

References:

  1. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 3-124
  2. Dictionary of organic compounds. - vol.1, Abietic acid - Dypnone. - London, 1946. - pp. 553
  3. Yalkowsky S.H., Yan H. Handbook of aqueous solubility data. - CRC Press, 2003. - pp. 556-557
  4. Справочник химика. - 2 изд., Т. 2. - Л.-М.: Химия, 1964. - pp. 682-683 [Russian]
  5. Справочник химика. - Т. 3. - М.-Л.: Химия, 1965. - pp. 89 [Russian]
  6. Химическая энциклопедия. - Т. 2. - М.: Советская энциклопедия, 1990. - pp. 472 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru