Acacetin CAS No.480-44-4 / Cat No.EBD2045786
480-44-4
5,7-Dihydroxy-2-(4-methoxyphenyl)-4H-1-benzopyran-4-one
5,7-Dihydroxy-2-(4-methoxyphenyl)-4H-chromen-4-one
5,7-Dihydroxy-2-(4-méthoxyphényl)-4H-chromén-4-one
Apigenin-4'-methyl Ether
Acacetin
5,7-Dihydroxy-2-(4-methoxyphenyl)-4H-1-benzopyran-4-one
5,7-Dihydroxy-2-(4-methoxyphenyl)-4H-chromen-4-one
5,7-Dihydroxy-2-(4-méthoxyphényl)-4H-chromén-4-one
Apigenin-4'-methyl Ether
Properties
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Appearance:
Pale-yellow needles
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Density:
1.42 g/cm3
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Melting point:
260-265 °C(lit.)
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Boiling point:
518.6 °C at 760 mmHg
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Flashing point:
198.2 °C
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Storage temperature:
2-8°C
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Solubility:
Soluble in toluene:ethyl formiate:formic acid (5:4:1)
Safety Information
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Symbol:
-
Signal words:
Warning -
Hazard statements:
H315 Causes skin irritation.
H319 Causes serious eye irritation.
H335 May cause respiratory irritation.
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Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
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 (400 MHz, DMSO): 6.82 (s, H-3), 6.47 (d, J=1.9 Hz, H-8), 6.18 (d, J=1.9 Hz, H-6), 7.98 (d, J=8.8 Hz, H-2, 6), 7.07 (d, J=8.8 Hz, H-3, 5), 3.85 (s, 4-OCH3).
1H NMR
13C NMR
