3,3',4',5,7-Pentahydroxy-8-methoxyflavone

Names

[ Name ]:
3,3',4',5,7-Pentahydroxy-8-methoxyflavone

[Synonym ]:
3,5,7,3',4'-pentahydroxy-8-methoxyflavone
gossypetin 8-methyl ether
2-(3,4-dihydroxy-phenyl)-3,5,7-trihydroxy-8-methoxy-chromen-4-one
2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-8-methoxy-4H-chromen-4-one
Corniculatusin
8-methoxyquercetin
3,3',4',5,7-Pentahydroxy-8-methoxyflavon

Chemical & Physical Properties

[ Density]:
1.73g/cm3

[ Boiling Point ]:
659.4ºC at 760 mmHg

[ Molecular Formula ]:
C₁₆H₁₂O₈

[ Molecular Weight ]:
332.26200

[ Flash Point ]:
249.5ºC

[ Exact Mass ]:
332.05300

[ PSA ]:
140.59000

[ LogP ]:
1.99660

[ Vapour Pressure ]:
5.38E-18mmHg at 25°C

[ Index of Refraction ]:
1.772

Safety Information

[ HS Code ]:
2914509090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2914509090

[ Summary ]:
HS:2914509090 other ketones with other oxygen function VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%