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Properties of substance:

3,4-dihydroxycinnamic acid

Synonyms:

caffeic acid

Group of substances:

organic

Physical appearance:

yellow monoclinic crystals

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

C9H8O4

Structural formula as text:

(HO)2C6H3CH=CHCOOH

Molar/atomic mass: 180.157

Melting point (°C):

195

Decomposition temperature (°C):

195

Solubility (g/100 g of solvent):

diethyl ether: difficulty soluble [Ref.]
ethanol: very soluble [Ref.]
water: soluble [Ref.]

References:

  1. Dictionary of organic compounds. - Vol.1, Abadole-Cytosine. - New York, 1953. - pp. 407
  2. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 734-735 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru