5,7-Dihydroxy-2-(2,4,5-trihydroxyphenyl)-4H-1-benzopyran-4-one

Names

[ Name ]:
5,7-Dihydroxy-2-(2,4,5-trihydroxyphenyl)-4H-1-benzopyran-4-one

[Synonym ]:
5,7,2',4',5'-Pentahydroxyflavone
5,7,3',4',6'-Pentahydroxy-flavon
Isoetin
5,7-dihydroxy-2-(2,4,5-trihydroxyphenyl)chromen-4-one
5,7-dihydroxy-2-(2,4,5-trihydroxy-phenyl)-chromen-4-one

Chemical & Physical Properties

[ Density]:
1.763g/cm3

[ Boiling Point ]:
682.4ºC at 760mmHg

[ Molecular Formula ]:
C₁₅H₁₀O₇

[ Molecular Weight ]:
302.23600

[ Flash Point ]:
263.3ºC

[ Exact Mass ]:
302.04300

[ PSA ]:
131.36000

[ LogP ]:
1.98800

[ Vapour Pressure ]:
3E-19mmHg at 25°C

[ Index of Refraction ]:
1.804

Safety Information

[ HS Code ]:
2914501900

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%