3-Hydroxy-2-(2-Hydroxyphenyl)-4H-1-Benzopyran-4-One

Names

[ CAS No. ]:
6068-76-4

[ Name ]:
3-Hydroxy-2-(2-Hydroxyphenyl)-4H-1-Benzopyran-4-One

[Synonym ]:
2'-hydroxyflavonol
2'3-diOH-Flavone
3,2'-Dihydroxy Flavone
2',3'-dihydroxyflavone

Chemical & Physical Properties

[ Density]:
1.472g/cm3

[ Boiling Point ]:
436.6ºC at 760 mmHg

[ Melting Point ]:
200-202ºC

[ Molecular Formula ]:
C15H10O4

[ Molecular Weight ]:
254.23700

[ Flash Point ]:
168.8ºC

[ Exact Mass ]:
254.05800

[ PSA ]:
70.67000

[ LogP ]:
2.87120

[ Index of Refraction ]:
1.712

Safety Information

[ HS Code ]:
2914501900

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 3-hydroxy-2-(2-methoxyphenyl)chromen-4-one
  • 2'-​Hydroxy-​2-​methoxychalcone
  • Ortho-Hydroxyacetophenone
  • o-Anisaldehyde
  • 2-Propen-1-one,1,3-bis(2-hydroxyphenyl)-

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%