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Properties of substance:

(2R,3S)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-2H-1-benzopyran-3,5,7-triol

Synonyms:

d-catechin

Group of substances:

organic

Physical appearance:

colorless needles crystals

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

C15H14O6

Molar/atomic mass: 290.2681

Melting point (°C):

174-175

Solubility (g/100 g of solvent):

acetone: difficulty soluble [Ref.]
benzene: insoluble [Ref.]
carbon tetrachloride: insoluble [Ref.]
chloroform: insoluble [Ref.]
diethyl ether: 0.83 [Ref.]
ethanol: very soluble [Ref.]
ethyl acetate: very soluble [Ref.]
methanol: very soluble [Ref.]
methylene chloride: insoluble [Ref.]
petroleum ether: insoluble [Ref.]
water: 0.36 (3.4°C) [Ref.]
water: 0.24 (9.5°C) [Ref.]
water: 0.45 (24.5°C) [Ref.]
water: 1.1 (35.2°C) [Ref.]
water: 3.33 (51.7°C) [Ref.]
water: 4.71 (58°C) [Ref.]

References:

  1. Dictionary of Food Compounds with CD-ROM. - 2nd ed. - CRC Press, 2013. - pp. 1516
  2. The Merck Index 11th ed., Merck & Company, 1989. - pp. 291
  3. Березовский В.М. Химия витаминов. - М.: Пищепромиздат, 1959. - pp. 323, 327 [Russian]
  4. Краткая химическая энциклопедия. - Т. 2: Ж-Малоновый эфир. - М.: Советская энциклопедия, 1963. - pp. 489-490 [Russian]
  5. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 724-725 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru