3,5-DIMETHOXY-7,3',4'-TRIHYDROXYFLAVONE
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Names
[ CAS No. ]:
1486-66-4
[ Name ]:
3,5-DIMETHOXY-7,3',4'-TRIHYDROXYFLAVONE
[Synonym ]:
2-(3,4-Dihydroxyphenyl)-7-hydroxy-3,5-dimethoxy-4H-1-benzopyran-4-one
2-(3,4-dihydroxyphenyl)-7-hydroxy-3,5-dimethoxy-4H-chromen-4-one
3,5-Di-O-methylquercetin
Caryatin
2-(3,4-Dihydroxy-phenyl)-7-hydroxy-3,5-dimethoxy-4H-chromen-4-on
Quercetin-3,5-dimethylether
3,5-O-dimethylquercetin
2-(3,4-dihydroxy-phenyl)-7-hydroxy-3,5-dimethoxy-chromen-4-one
Chemical & Physical Properties
[ Density]:
1.55g/cm3
[ Boiling Point ]:
658.9ºC at 760mmHg
[ Melting Point ]:
268 °C
[ Molecular Formula ]:
C17H14O7
[ Molecular Weight ]:
330.28900
[ Flash Point ]:
247.3ºC
[ Exact Mass ]:
330.07400
[ PSA ]:
109.36000
[ LogP ]:
2.59400
[ Vapour Pressure ]:
5.77E-18mmHg at 25°C
[ Index of Refraction ]:
1.7
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%