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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):
C
1
5
H
1
4
O
6
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:
Dictionary of Food Compounds with CD-ROM. - 2nd ed. - CRC Press, 2013. - pp. 1516
The Merck Index 11th ed., Merck & Company, 1989. - pp. 291
Березовский В.М. Химия витаминов. - М.: Пищепромиздат, 1959. - pp. 323, 327 [Russian]
Краткая химическая энциклопедия. - Т. 2: Ж-Малоновый эфир. - М.: Советская энциклопедия, 1963. - pp. 489-490 [Russian]
Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 724-725 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru