5,7-Dimethoxy-3,3',4'-Trihydroxyflavone
Names
[ CAS No. ]:
13459-07-9
[ Name ]:
5,7-Dimethoxy-3,3',4'-Trihydroxyflavone
[Synonym ]:
FLAVONE,5,7-DIMETHOXY-3,3',4'-TRIHYDROXY
2-(3,4-dihydroxy-phenyl)-3-hydroxy-5,7-dimethoxy-chromen-4-one
5,7-Dimethoxy-3,3',4'-trihydroxyflavone
4H-1-Benzopyran-4-one,5,7-dimethoxy-3-hydroxy-2-(3',4'-dihydroxyphenyl)
2-(3,4-Dihydroxy-phenyl)-3-hydroxy-5,7-dimethoxy-chromen-4-on
5,7-Di-O-methylquercetin
2-(3,4-dihydroxyphenyl)-3-hydroxy-5,7-dimethoxy-4H-chromen-4-one
5,7-O-dimethylquercetin
Chemical & Physical Properties
[ Density]:
1.507g/cm3
[ Boiling Point ]:
608.8ºC at 760 mmHg
[ Molecular Formula ]:
C17H14O7
[ Molecular Weight ]:
330.28900
[ Flash Point ]:
228ºC
[ Exact Mass ]:
330.07400
[ PSA ]:
109.36000
[ LogP ]:
2.59400
[ Vapour Pressure ]:
1.13E-15mmHg at 25°C
[ Index of Refraction ]:
1.681
Safety Information
[ HS Code ]:
2914509090
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%