Daidzein CAS No.486-66-8 / Cat No.EBD2157991
4',7-Dihydroxyisoflavone
7-hydroxy-3-(4-hydroxyphenyl)-4H-chromen-4-one
5-hydroxy-3-(4-hydroxyphenyl)-4H-chromen-4-one
4,7-Dihydroxyisoflavone
Daidzein
7-hydroxy-3-(4-hydroxyphenyl)-4H-chromen-4-one
5-hydroxy-3-(4-hydroxyphenyl)-4H-chromen-4-one
4,7-Dihydroxyisoflavone
Properties
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Appearance:
off-white crystalline powder
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Density:
1.443 g/cm3
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Melting point:
315-323°C (dec.)
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Boiling point:
512.8 °C at 760 mmHg
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Flashing point:
201.2 °C
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Storage temperature:
−20°C
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Solubility:
DMSO: 10 mg/mL
Safety Information
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Symbol:
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Signal words:
Warning -
Hazard statements:
H315 Causes skin irritation.
H319 Causes serious eye irritation.
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Precautionary statements:
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
NMR Spectrum
Prediction： 1H NMR: (DMSO~d6, 200 MHz) delta: 8.35 (1 H, s, H-2), 8.04 (1 H, dd, J=8.7Hz, H-5), 7.01 (1 H, d, J=8.7,1.6Hz, H-6), 6.92 (1 H, d, J=1.6Hz, H-8), 7.44 (2H, d, J=8.4Hz, H-2), 6.86 (2H, d, J=8.4Hz, H-3), 6.86 (2H, d, J=8.4Hz, H-5), 7.44 (2H, d, J=8.4Hz, H-6), 9.62 (1 H, br hump, 7-OH).
1H NMR
13C NMR
