2-(3,4-DIHYDROXYPHENYL)-5-HYDROXY-4H-CHROMEN-4-ONE
Names
[ CAS No. ]:
19852-25-6
[ Name ]:
2-(3,4-DIHYDROXYPHENYL)-5-HYDROXY-4H-CHROMEN-4-ONE
[Synonym ]:
3',4',5-Trihydroxyflavon
2-(3,4-Dihydroxy-phenyl)-5-hydroxy-chromen-4-on
5,3',4'-Trihydroxyflavone
2-(3,4-dihydroxy-phenyl)-5-hydroxy-chromen-4-one
3',4',5-trihydroxyflavone
Chemical & Physical Properties
[ Density]:
1.548g/cm3
[ Boiling Point ]:
544.4ºC at 760mmHg
[ Molecular Formula ]:
C15H10O5
[ Molecular Weight ]:
270.23700
[ Flash Point ]:
212.6ºC
[ Exact Mass ]:
270.05300
[ PSA ]:
90.90000
[ LogP ]:
2.57680
[ Vapour Pressure ]:
1.83E-12mmHg at 25°C
[ Index of Refraction ]:
1.732
Safety Information
[ HS Code ]:
2914501900
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2914501900
[ Summary ]:
2914501900 other ketone-phenols。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%